diff --git a/002_source/cms/src/app/dashboard/connectives/view/[cat_id]/page.tsx b/002_source/cms/src/app/dashboard/connectives/view/[cat_id]/page.tsx
index cc14c52..0d7f505 100644
--- a/002_source/cms/src/app/dashboard/connectives/view/[cat_id]/page.tsx
+++ b/002_source/cms/src/app/dashboard/connectives/view/[cat_id]/page.tsx
@@ -34,6 +34,7 @@ import { useTranslation } from 'react-i18next';
 import { paths } from '@/paths';
 import { dayjs } from '@/lib/dayjs';
 import { logger } from '@/lib/default-logger';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { pb } from '@/lib/pb';
 import { PropertyItem } from '@/components/core/property-item';
 import { PropertyList } from '@/components/core/property-list';
@@ -119,39 +120,72 @@ export default function Page(): React.JSX.Element {
               {t('dashboard.lessonCategorys.list.title')}
             </Link>
           </div>
-          <Stack direction={{ xs: 'column', sm: 'row' }} spacing={3} sx={{ alignItems: 'flex-start' }}>
-            <Stack direction="row" spacing={2} sx={{ alignItems: 'center', flex: '1 1 auto' }}>
+          <Stack
+            direction={{ xs: 'column', sm: 'row' }}
+            spacing={3}
+            sx={{ alignItems: 'flex-start' }}
+          >
+            <Stack
+              direction="row"
+              spacing={2}
+              sx={{ alignItems: 'center', flex: '1 1 auto' }}
+            >
               <Avatar
-                src={`http://127.0.0.1:8090/api/files/${showLessonCategory.collectionId}/${showLessonCategory.id}/${showLessonCategory.cat_image}`}
+                src={getImageUrlFromFile(
+                  showLessonCategory.collectionId,
+                  showLessonCategory.id,
+                  showLessonCategory.cat_image
+                )}
                 sx={{ '--Avatar-size': '64px' }}
                 variant="rounded"
               >
                 empty
               </Avatar>
               <div>
-                <Stack direction="row" spacing={2} sx={{ alignItems: 'center', flexWrap: 'wrap' }}>
+                <Stack
+                  direction="row"
+                  spacing={2}
+                  sx={{ alignItems: 'center', flexWrap: 'wrap' }}
+                >
                   <Typography variant="h4">{showLessonCategory.name}</Typography>
                   <Chip
-                    icon={<CheckCircleIcon color="var(--mui-palette-success-main)" weight="fill" />}
+                    icon={
+                      <CheckCircleIcon
+                        color="var(--mui-palette-success-main)"
+                        weight="fill"
+                      />
+                    }
                     label={showLessonCategory.visible}
                     size="small"
                     variant="outlined"
                   />
                 </Stack>
-                <Typography color="text.secondary" variant="body1">
+                <Typography
+                  color="text.secondary"
+                  variant="body1"
+                >
                   {showLessonCategory.id}
                 </Typography>
               </div>
             </Stack>
             <div>
-              <Button endIcon={<CaretDownIcon />} variant="contained">
+              <Button
+                endIcon={<CaretDownIcon />}
+                variant="contained"
+              >
                 Action
               </Button>
             </div>
           </Stack>
         </Stack>
-        <Grid container spacing={4}>
-          <Grid lg={4} xs={12}>
+        <Grid
+          container
+          spacing={4}
+        >
+          <Grid
+            lg={4}
+            xs={12}
+          >
             <Stack spacing={4}>
               <Card>
                 <CardHeader
@@ -178,7 +212,16 @@ export default function Page(): React.JSX.Element {
                 >
                   {(
                     [
-                      { key: 'Customer ID', value: <Chip label={showLessonCategory.id} size="small" variant="soft" /> },
+                      {
+                        key: 'Customer ID',
+                        value: (
+                          <Chip
+                            label={showLessonCategory.id}
+                            size="small"
+                            variant="soft"
+                          />
+                        ),
+                      },
                       { key: 'Name', value: showLessonCategory.name },
                       { key: 'Pos', value: showLessonCategory.pos },
                       {
@@ -195,9 +238,20 @@ export default function Page(): React.JSX.Element {
                       {
                         key: 'Quota',
                         value: (
-                          <Stack direction="row" spacing={2} sx={{ alignItems: 'center' }}>
-                            <LinearProgress sx={{ flex: '1 1 auto' }} value={50} variant="determinate" />
-                            <Typography color="text.secondary" variant="body2">
+                          <Stack
+                            direction="row"
+                            spacing={2}
+                            sx={{ alignItems: 'center' }}
+                          >
+                            <LinearProgress
+                              sx={{ flex: '1 1 auto' }}
+                              value={50}
+                              variant="determinate"
+                            />
+                            <Typography
+                              color="text.secondary"
+                              variant="body2"
+                            >
                               50%
                             </Typography>
                           </Stack>
@@ -206,7 +260,11 @@ export default function Page(): React.JSX.Element {
                     ] satisfies { key: string; value: React.ReactNode }[]
                   ).map(
                     (item): React.JSX.Element => (
-                      <PropertyItem key={item.key} name={item.key} value={item.value} />
+                      <PropertyItem
+                        key={item.key}
+                        name={item.key}
+                        value={item.value}
+                      />
                     )
                   )}
                 </PropertyList>
@@ -223,11 +281,17 @@ export default function Page(): React.JSX.Element {
                 <CardContent>
                   <Stack spacing={1}>
                     <div>
-                      <Button color="error" variant="contained">
+                      <Button
+                        color="error"
+                        variant="contained"
+                      >
                         Delete account
                       </Button>
                     </div>
-                    <Typography color="text.secondary" variant="body2">
+                    <Typography
+                      color="text.secondary"
+                      variant="body2"
+                    >
                       A deleted lesson category cannot be restored. All data will be permanently removed.
                     </Typography>
                   </Stack>
@@ -235,7 +299,10 @@ export default function Page(): React.JSX.Element {
               </Card>
             </Stack>
           </Grid>
-          <Grid lg={8} xs={12}>
+          <Grid
+            lg={8}
+            xs={12}
+          >
             <Stack spacing={4}>
               <Payments
                 ordersValue={2069.48}
@@ -282,7 +349,10 @@ export default function Page(): React.JSX.Element {
               <Card>
                 <CardHeader
                   action={
-                    <Button color="secondary" startIcon={<PencilSimpleIcon />}>
+                    <Button
+                      color="secondary"
+                      startIcon={<PencilSimpleIcon />}
+                    >
                       Edit
                     </Button>
                   }
@@ -294,8 +364,14 @@ export default function Page(): React.JSX.Element {
                   title={t('billing-details', { ns: 'lesson_category' })}
                 />
                 <CardContent>
-                  <Card sx={{ borderRadius: 1 }} variant="outlined">
-                    <PropertyList divider={<Divider />} sx={{ '--PropertyItem-padding': '16px' }}>
+                  <Card
+                    sx={{ borderRadius: 1 }}
+                    variant="outlined"
+                  >
+                    <PropertyList
+                      divider={<Divider />}
+                      sx={{ '--PropertyItem-padding': '16px' }}
+                    >
                       {(
                         [
                           { key: 'Credit card', value: '**** 4142' },
@@ -307,7 +383,11 @@ export default function Page(): React.JSX.Element {
                         ] satisfies { key: string; value: React.ReactNode }[]
                       ).map(
                         (item): React.JSX.Element => (
-                          <PropertyItem key={item.key} name={item.key} value={item.value} />
+                          <PropertyItem
+                            key={item.key}
+                            name={item.key}
+                            value={item.value}
+                          />
                         )
                       )}
                     </PropertyList>
@@ -317,7 +397,10 @@ export default function Page(): React.JSX.Element {
               <Card>
                 <CardHeader
                   action={
-                    <Button color="secondary" startIcon={<PlusIcon />}>
+                    <Button
+                      color="secondary"
+                      startIcon={<PlusIcon />}
+                    >
                       Add
                     </Button>
                   }
@@ -329,7 +412,10 @@ export default function Page(): React.JSX.Element {
                   title={t('shipping-addresses', { ns: 'lesson_category' })}
                 />
                 <CardContent>
-                  <Grid container spacing={3}>
+                  <Grid
+                    container
+                    spacing={3}
+                  >
                     {(
                       [
                         {
@@ -351,7 +437,11 @@ export default function Page(): React.JSX.Element {
                         },
                       ] satisfies Address[]
                     ).map((address) => (
-                      <Grid key={address.id} md={6} xs={12}>
+                      <Grid
+                        key={address.id}
+                        md={6}
+                        xs={12}
+                      >
                         <ShippingAddress address={address} />
                       </Grid>
                     ))}
diff --git a/002_source/cms/src/app/dashboard/cr/categories/view/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/cr/categories/view/[cat_id]/TitleCard.tsx
index 9994060..37b6dea 100644
--- a/002_source/cms/src/app/dashboard/cr/categories/view/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/cr/categories/view/[cat_id]/TitleCard.tsx
@@ -10,12 +10,9 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import type { CrCategory } from '@/components/dashboard/cr/categories/type';
 
-function getImageUrlFrRecord(record: CrCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
-
 export default function SampleTitleCard({ lpModel }: { lpModel: CrCategory }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: CrCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/cr/questions/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/cr/questions/[cat_id]/TitleCard.tsx
index 6e38fb6..553cbd0 100644
--- a/002_source/cms/src/app/dashboard/cr/questions/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/cr/questions/[cat_id]/TitleCard.tsx
@@ -10,12 +10,9 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { LpCategory } from '@/components/dashboard/lp/categories/type';
 
-function getImageUrlFrRecord(record: LpCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
-
 export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/customers/[customerId]/TitleCard.tsx b/002_source/cms/src/app/dashboard/customers/[customerId]/TitleCard.tsx
index 971bfa7..4c7bf8e 100644
--- a/002_source/cms/src/app/dashboard/customers/[customerId]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/customers/[customerId]/TitleCard.tsx
@@ -9,14 +9,14 @@ import Typography from '@mui/material/Typography';
 import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/CaretDown';
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
+
 import type { Customer } from '@/components/dashboard/customer/type.d';
 
 // import type { CrCategory } from '@/components/dashboard/cr/categories/type';
 
 function getImageUrlFrRecord(record: Customer): string {
-  // TODO: fix this
-  //  `http://127.0.0.1:8090/api/files/${'record.collectionId'}/${'record.id'}/${'record.cat_image'}`;
-  return 'getImageUrlFrRecord(helloworld)';
+  // TODO: implement getImageUrlFrRecord
+  return 'not implemented';
 }
 
 export default function SampleTitleCard({ lpModel }: { lpModel: Customer }): React.JSX.Element {
diff --git a/002_source/cms/src/app/dashboard/lesson_categories/view/[cat_id]/page.tsx b/002_source/cms/src/app/dashboard/lesson_categories/view/[cat_id]/page.tsx
index cc14c52..25c80a9 100644
--- a/002_source/cms/src/app/dashboard/lesson_categories/view/[cat_id]/page.tsx
+++ b/002_source/cms/src/app/dashboard/lesson_categories/view/[cat_id]/page.tsx
@@ -28,12 +28,13 @@ import { PencilSimple as PencilSimpleIcon } from '@phosphor-icons/react/dist/ssr
 import { Plus as PlusIcon } from '@phosphor-icons/react/dist/ssr/Plus';
 import { ShieldWarning as ShieldWarningIcon } from '@phosphor-icons/react/dist/ssr/ShieldWarning';
 import { User as UserIcon } from '@phosphor-icons/react/dist/ssr/User';
-import { RecordModel } from 'pocketbase';
+import type { RecordModel } from 'pocketbase';
 import { useTranslation } from 'react-i18next';
 
 import { paths } from '@/paths';
 import { dayjs } from '@/lib/dayjs';
 import { logger } from '@/lib/default-logger';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { pb } from '@/lib/pb';
 import { PropertyItem } from '@/components/core/property-item';
 import { PropertyList } from '@/components/core/property-list';
@@ -45,7 +46,7 @@ import { Notifications } from '@/components/dashboard/lesson_category/notificati
 import { Payments } from '@/components/dashboard/lesson_category/payments';
 import type { Address } from '@/components/dashboard/lesson_category/shipping-address';
 import { ShippingAddress } from '@/components/dashboard/lesson_category/shipping-address';
-import { LessonCategory } from '@/components/dashboard/lesson_category/type';
+import type { LessonCategory } from '@/components/dashboard/lesson_category/type';
 // import type { LessonCategory } from '@/components/dashboard/lp_categories/type';
 import FormLoading from '@/components/loading';
 
@@ -119,39 +120,72 @@ export default function Page(): React.JSX.Element {
               {t('dashboard.lessonCategorys.list.title')}
             </Link>
           </div>
-          <Stack direction={{ xs: 'column', sm: 'row' }} spacing={3} sx={{ alignItems: 'flex-start' }}>
-            <Stack direction="row" spacing={2} sx={{ alignItems: 'center', flex: '1 1 auto' }}>
+          <Stack
+            direction={{ xs: 'column', sm: 'row' }}
+            spacing={3}
+            sx={{ alignItems: 'flex-start' }}
+          >
+            <Stack
+              direction="row"
+              spacing={2}
+              sx={{ alignItems: 'center', flex: '1 1 auto' }}
+            >
               <Avatar
-                src={`http://127.0.0.1:8090/api/files/${showLessonCategory.collectionId}/${showLessonCategory.id}/${showLessonCategory.cat_image}`}
+                src={getImageUrlFromFile(
+                  showLessonCategory.collectionId,
+                  showLessonCategory.id,
+                  showLessonCategory.cat_image
+                )}
                 sx={{ '--Avatar-size': '64px' }}
                 variant="rounded"
               >
                 empty
               </Avatar>
               <div>
-                <Stack direction="row" spacing={2} sx={{ alignItems: 'center', flexWrap: 'wrap' }}>
+                <Stack
+                  direction="row"
+                  spacing={2}
+                  sx={{ alignItems: 'center', flexWrap: 'wrap' }}
+                >
                   <Typography variant="h4">{showLessonCategory.name}</Typography>
                   <Chip
-                    icon={<CheckCircleIcon color="var(--mui-palette-success-main)" weight="fill" />}
+                    icon={
+                      <CheckCircleIcon
+                        color="var(--mui-palette-success-main)"
+                        weight="fill"
+                      />
+                    }
                     label={showLessonCategory.visible}
                     size="small"
                     variant="outlined"
                   />
                 </Stack>
-                <Typography color="text.secondary" variant="body1">
+                <Typography
+                  color="text.secondary"
+                  variant="body1"
+                >
                   {showLessonCategory.id}
                 </Typography>
               </div>
             </Stack>
             <div>
-              <Button endIcon={<CaretDownIcon />} variant="contained">
+              <Button
+                endIcon={<CaretDownIcon />}
+                variant="contained"
+              >
                 Action
               </Button>
             </div>
           </Stack>
         </Stack>
-        <Grid container spacing={4}>
-          <Grid lg={4} xs={12}>
+        <Grid
+          container
+          spacing={4}
+        >
+          <Grid
+            lg={4}
+            xs={12}
+          >
             <Stack spacing={4}>
               <Card>
                 <CardHeader
@@ -178,7 +212,16 @@ export default function Page(): React.JSX.Element {
                 >
                   {(
                     [
-                      { key: 'Customer ID', value: <Chip label={showLessonCategory.id} size="small" variant="soft" /> },
+                      {
+                        key: 'Customer ID',
+                        value: (
+                          <Chip
+                            label={showLessonCategory.id}
+                            size="small"
+                            variant="soft"
+                          />
+                        ),
+                      },
                       { key: 'Name', value: showLessonCategory.name },
                       { key: 'Pos', value: showLessonCategory.pos },
                       {
@@ -195,9 +238,20 @@ export default function Page(): React.JSX.Element {
                       {
                         key: 'Quota',
                         value: (
-                          <Stack direction="row" spacing={2} sx={{ alignItems: 'center' }}>
-                            <LinearProgress sx={{ flex: '1 1 auto' }} value={50} variant="determinate" />
-                            <Typography color="text.secondary" variant="body2">
+                          <Stack
+                            direction="row"
+                            spacing={2}
+                            sx={{ alignItems: 'center' }}
+                          >
+                            <LinearProgress
+                              sx={{ flex: '1 1 auto' }}
+                              value={50}
+                              variant="determinate"
+                            />
+                            <Typography
+                              color="text.secondary"
+                              variant="body2"
+                            >
                               50%
                             </Typography>
                           </Stack>
@@ -206,7 +260,11 @@ export default function Page(): React.JSX.Element {
                     ] satisfies { key: string; value: React.ReactNode }[]
                   ).map(
                     (item): React.JSX.Element => (
-                      <PropertyItem key={item.key} name={item.key} value={item.value} />
+                      <PropertyItem
+                        key={item.key}
+                        name={item.key}
+                        value={item.value}
+                      />
                     )
                   )}
                 </PropertyList>
@@ -223,11 +281,17 @@ export default function Page(): React.JSX.Element {
                 <CardContent>
                   <Stack spacing={1}>
                     <div>
-                      <Button color="error" variant="contained">
+                      <Button
+                        color="error"
+                        variant="contained"
+                      >
                         Delete account
                       </Button>
                     </div>
-                    <Typography color="text.secondary" variant="body2">
+                    <Typography
+                      color="text.secondary"
+                      variant="body2"
+                    >
                       A deleted lesson category cannot be restored. All data will be permanently removed.
                     </Typography>
                   </Stack>
@@ -235,7 +299,10 @@ export default function Page(): React.JSX.Element {
               </Card>
             </Stack>
           </Grid>
-          <Grid lg={8} xs={12}>
+          <Grid
+            lg={8}
+            xs={12}
+          >
             <Stack spacing={4}>
               <Payments
                 ordersValue={2069.48}
@@ -282,7 +349,10 @@ export default function Page(): React.JSX.Element {
               <Card>
                 <CardHeader
                   action={
-                    <Button color="secondary" startIcon={<PencilSimpleIcon />}>
+                    <Button
+                      color="secondary"
+                      startIcon={<PencilSimpleIcon />}
+                    >
                       Edit
                     </Button>
                   }
@@ -294,8 +364,14 @@ export default function Page(): React.JSX.Element {
                   title={t('billing-details', { ns: 'lesson_category' })}
                 />
                 <CardContent>
-                  <Card sx={{ borderRadius: 1 }} variant="outlined">
-                    <PropertyList divider={<Divider />} sx={{ '--PropertyItem-padding': '16px' }}>
+                  <Card
+                    sx={{ borderRadius: 1 }}
+                    variant="outlined"
+                  >
+                    <PropertyList
+                      divider={<Divider />}
+                      sx={{ '--PropertyItem-padding': '16px' }}
+                    >
                       {(
                         [
                           { key: 'Credit card', value: '**** 4142' },
@@ -307,7 +383,11 @@ export default function Page(): React.JSX.Element {
                         ] satisfies { key: string; value: React.ReactNode }[]
                       ).map(
                         (item): React.JSX.Element => (
-                          <PropertyItem key={item.key} name={item.key} value={item.value} />
+                          <PropertyItem
+                            key={item.key}
+                            name={item.key}
+                            value={item.value}
+                          />
                         )
                       )}
                     </PropertyList>
@@ -317,7 +397,10 @@ export default function Page(): React.JSX.Element {
               <Card>
                 <CardHeader
                   action={
-                    <Button color="secondary" startIcon={<PlusIcon />}>
+                    <Button
+                      color="secondary"
+                      startIcon={<PlusIcon />}
+                    >
                       Add
                     </Button>
                   }
@@ -329,7 +412,10 @@ export default function Page(): React.JSX.Element {
                   title={t('shipping-addresses', { ns: 'lesson_category' })}
                 />
                 <CardContent>
-                  <Grid container spacing={3}>
+                  <Grid
+                    container
+                    spacing={3}
+                  >
                     {(
                       [
                         {
@@ -351,7 +437,11 @@ export default function Page(): React.JSX.Element {
                         },
                       ] satisfies Address[]
                     ).map((address) => (
-                      <Grid key={address.id} md={6} xs={12}>
+                      <Grid
+                        key={address.id}
+                        md={6}
+                        xs={12}
+                      >
                         <ShippingAddress address={address} />
                       </Grid>
                     ))}
diff --git a/002_source/cms/src/app/dashboard/lp/categories/view/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/lp/categories/view/[cat_id]/TitleCard.tsx
index 6e38fb6..5dfa618 100644
--- a/002_source/cms/src/app/dashboard/lp/categories/view/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/lp/categories/view/[cat_id]/TitleCard.tsx
@@ -10,11 +10,8 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
-import { LpCategory } from '@/components/dashboard/lp/categories/type';
-
-function getImageUrlFrRecord(record: LpCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
+import type { LpCategory } from '@/components/dashboard/lp/categories/type';
 
 export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): React.JSX.Element {
   const { t } = useTranslation();
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/lp/questions/view/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/lp/questions/view/[cat_id]/TitleCard.tsx
index 6e38fb6..553cbd0 100644
--- a/002_source/cms/src/app/dashboard/lp/questions/view/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/lp/questions/view/[cat_id]/TitleCard.tsx
@@ -10,12 +10,9 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { LpCategory } from '@/components/dashboard/lp/categories/type';
 
-function getImageUrlFrRecord(record: LpCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
-
 export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: LpCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/mf/categories/view/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/mf/categories/view/[cat_id]/TitleCard.tsx
index 059baaf..77f36d2 100644
--- a/002_source/cms/src/app/dashboard/mf/categories/view/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/mf/categories/view/[cat_id]/TitleCard.tsx
@@ -10,12 +10,9 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import type { MfCategory } from '@/components/dashboard/mf/categories/type';
 
-function getImageUrlFrRecord(record: MfCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
-
 export default function SampleTitleCard({ lpModel }: { lpModel: MfCategory }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: MfCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/mf/questions/view/[cat_id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/mf/questions/view/[cat_id]/TitleCard.tsx
index 059baaf..77f36d2 100644
--- a/002_source/cms/src/app/dashboard/mf/questions/view/[cat_id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/mf/questions/view/[cat_id]/TitleCard.tsx
@@ -10,12 +10,9 @@ import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/Caret
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
 
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import type { MfCategory } from '@/components/dashboard/mf/categories/type';
 
-function getImageUrlFrRecord(record: MfCategory): string {
-  return `http://127.0.0.1:8090/api/files/${record.collectionId}/${record.id}/${record.cat_image}`;
-}
-
 export default function SampleTitleCard({ lpModel }: { lpModel: MfCategory }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -28,7 +25,7 @@ export default function SampleTitleCard({ lpModel }: { lpModel: MfCategory }): R
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(lpModel)}
+          src={getImageUrlFromFile(lpModel.collectionId, lpModel.id, lpModel.cat_image)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/students/view/[id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/students/view/[id]/TitleCard.tsx
index 33aba02..0834068 100644
--- a/002_source/cms/src/app/dashboard/students/view/[id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/students/view/[id]/TitleCard.tsx
@@ -9,14 +9,10 @@ import Typography from '@mui/material/Typography';
 import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/CaretDown';
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
+
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import type { Student } from '@/components/dashboard/student/type.d';
 
-// import type { CrCategory } from '@/components/dashboard/cr/categories/type';
-
-function getImageUrlForStudent(student: Student): string {
-  return `http://127.0.0.1:8090/api/files/${student.collectionId}/${student.id}/${student.avatar}`;
-}
-
 export default function SampleTitleCard({ studentRecord }: { studentRecord: Student }): React.JSX.Element {
   const { t } = useTranslation();
 
@@ -29,7 +25,7 @@ export default function SampleTitleCard({ studentRecord }: { studentRecord: Stud
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlForStudent(studentRecord)}
+          src={getImageUrlFromFile(studentRecord.collectionId, studentRecord.id, studentRecord.avatar)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/teachers/view/[id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/teachers/view/[id]/TitleCard.tsx
index 066caab..81d361f 100644
--- a/002_source/cms/src/app/dashboard/teachers/view/[id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/teachers/view/[id]/TitleCard.tsx
@@ -9,13 +9,9 @@ import Typography from '@mui/material/Typography';
 import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/CaretDown';
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
-import { Teacher } from '@/components/dashboard/teacher/type.d';
 
-// import type { CrCategory } from '@/components/dashboard/cr/categories/type';
-
-function getImageUrlFrRecord(teacher: Teacher): string {
-  return `http://127.0.0.1:8090/api/files/${teacher.collectionId}/${teacher.id}/${teacher.avatar}`;
-}
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
+import type { Teacher } from '@/components/dashboard/teacher/type.d';
 
 export default function SampleTitleCard({ teacherRecord }: { teacherRecord: Teacher }): React.JSX.Element {
   const { t } = useTranslation();
@@ -29,7 +25,7 @@ export default function SampleTitleCard({ teacherRecord }: { teacherRecord: Teac
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(teacherRecord)}
+          src={getImageUrlFromFile(teacherRecord.collectionId, teacherRecord.id, teacherRecord.avatar)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/user_metas/view/[id]/TitleCard.tsx b/002_source/cms/src/app/dashboard/user_metas/view/[id]/TitleCard.tsx
index 066caab..81d361f 100644
--- a/002_source/cms/src/app/dashboard/user_metas/view/[id]/TitleCard.tsx
+++ b/002_source/cms/src/app/dashboard/user_metas/view/[id]/TitleCard.tsx
@@ -9,13 +9,9 @@ import Typography from '@mui/material/Typography';
 import { CaretDown as CaretDownIcon } from '@phosphor-icons/react/dist/ssr/CaretDown';
 import { CheckCircle as CheckCircleIcon } from '@phosphor-icons/react/dist/ssr/CheckCircle';
 import { useTranslation } from 'react-i18next';
-import { Teacher } from '@/components/dashboard/teacher/type.d';
 
-// import type { CrCategory } from '@/components/dashboard/cr/categories/type';
-
-function getImageUrlFrRecord(teacher: Teacher): string {
-  return `http://127.0.0.1:8090/api/files/${teacher.collectionId}/${teacher.id}/${teacher.avatar}`;
-}
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
+import type { Teacher } from '@/components/dashboard/teacher/type.d';
 
 export default function SampleTitleCard({ teacherRecord }: { teacherRecord: Teacher }): React.JSX.Element {
   const { t } = useTranslation();
@@ -29,7 +25,7 @@ export default function SampleTitleCard({ teacherRecord }: { teacherRecord: Teac
       >
         <Avatar
           variant="rounded"
-          src={getImageUrlFrRecord(teacherRecord)}
+          src={getImageUrlFromFile(teacherRecord.collectionId, teacherRecord.id, teacherRecord.avatar)}
           sx={{ '--Avatar-size': '64px' }}
         >
           {t('empty')}
diff --git a/002_source/cms/src/app/dashboard/vocabularies/view/[cat_id]/page.tsx b/002_source/cms/src/app/dashboard/vocabularies/view/[cat_id]/page.tsx
index 3b4f3d0..bddfef6 100644
--- a/002_source/cms/src/app/dashboard/vocabularies/view/[cat_id]/page.tsx
+++ b/002_source/cms/src/app/dashboard/vocabularies/view/[cat_id]/page.tsx
@@ -34,6 +34,7 @@ import { useTranslation } from 'react-i18next';
 import { paths } from '@/paths';
 import { dayjs } from '@/lib/dayjs';
 import { logger } from '@/lib/default-logger';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { pb } from '@/lib/pb';
 import { PropertyItem } from '@/components/core/property-item';
 import { PropertyList } from '@/components/core/property-list';
@@ -128,7 +129,11 @@ export default function Page(): React.JSX.Element {
               sx={{ alignItems: 'center', flex: '1 1 auto' }}
             >
               <Avatar
-                src={`http://127.0.0.1:8090/api/files/${showLessonCategory.collectionId}/${showLessonCategory.id}/${showLessonCategory.cat_image}`}
+                src={getImageUrlFromFile(
+                  showLessonCategory.collectionId,
+                  showLessonCategory.id,
+                  showLessonCategory.image
+                )}
                 sx={{ '--Avatar-size': '64px' }}
                 variant="rounded"
               >
diff --git a/002_source/cms/src/components/dashboard/user_meta/user-metas-table.tsx b/002_source/cms/src/components/dashboard/user_meta/user-metas-table.tsx
index 2655bce..86eec3c 100644
--- a/002_source/cms/src/components/dashboard/user_meta/user-metas-table.tsx
+++ b/002_source/cms/src/components/dashboard/user_meta/user-metas-table.tsx
@@ -26,6 +26,7 @@ import { useTranslation } from 'react-i18next';
 
 import { paths } from '@/paths';
 import { dayjs } from '@/lib/dayjs';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { DataTable } from '@/components/core/data-table';
 import type { ColumnDef } from '@/components/core/data-table';
 
@@ -43,7 +44,7 @@ function columns(handleDeleteClick: (userMetaId: string) => void): ColumnDef<Use
           sx={{ alignItems: 'center' }}
         >
           <Avatar
-            src={`http://127.0.0.1:8090/api/files/${row.collectionId}/${row.id}/${row.avatar}`}
+            src={getImageUrlFromFile(row.collectionId, row.id, row.avatar)}
             variant="rounded"
           />
           <div>
diff --git a/002_source/cms/src/components/dashboard/vocabulary/type.d.ts b/002_source/cms/src/components/dashboard/vocabulary/type.d.ts
index 1506e8e..e309b4a 100644
--- a/002_source/cms/src/components/dashboard/vocabulary/type.d.ts
+++ b/002_source/cms/src/components/dashboard/vocabulary/type.d.ts
@@ -1,10 +1,9 @@
 // RULES:
 // should match the collection `Vocabularies` from `schema.dbml`
 export interface Vocabulary {
-  id: string;
   created?: string;
   updated?: string;
-  image?: string;
+  image: string;
   sound?: string;
   word?: string;
   word_c?: string;
@@ -23,6 +22,9 @@ export interface Vocabulary {
       //
     };
   };
+  //
+  id: string;
+  collectionId: string;
 }
 
 // RULES: for use with vocabulary-create-form.tsx
diff --git a/002_source/cms/src/components/dashboard/vocabulary/vocabularies-table.tsx b/002_source/cms/src/components/dashboard/vocabulary/vocabularies-table.tsx
index 44ac46d..5d10647 100644
--- a/002_source/cms/src/components/dashboard/vocabulary/vocabularies-table.tsx
+++ b/002_source/cms/src/components/dashboard/vocabulary/vocabularies-table.tsx
@@ -16,12 +16,13 @@ import { useTranslation } from 'react-i18next';
 
 import { paths } from '@/paths';
 import { dayjs } from '@/lib/dayjs';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { DataTable } from '@/components/core/data-table';
 import type { ColumnDef } from '@/components/core/data-table';
 
 import ConfirmDeleteModal from './confirm-delete-modal';
-import { useVocabulariesSelection } from './vocabularies-selection-context';
 import type { Vocabulary } from './type';
+import { useVocabulariesSelection } from './vocabularies-selection-context';
 
 function columns(handleDeleteClick: (testId: string) => void): ColumnDef<Vocabulary>[] {
   return [
@@ -45,7 +46,7 @@ function columns(handleDeleteClick: (testId: string) => void): ColumnDef<Vocabul
               sx={{ alignItems: 'center' }}
             >
               <Avatar
-                src={`http://127.0.0.1:8090/api/files/${row.collectionId}/${row.id}/${row.cat_image}`}
+                src={getImageUrlFromFile(row.collectionId, row.id, row.image)}
                 variant="rounded"
               >
                 <ImagesIcon size={32} />
diff --git a/002_source/cms/src/components/dashboard/vocabulary/vocabulary-edit-form.tsx b/002_source/cms/src/components/dashboard/vocabulary/vocabulary-edit-form.tsx
index f67992b..47ef720 100644
--- a/002_source/cms/src/components/dashboard/vocabulary/vocabulary-edit-form.tsx
+++ b/002_source/cms/src/components/dashboard/vocabulary/vocabulary-edit-form.tsx
@@ -4,6 +4,7 @@ import * as React from 'react';
 import RouterLink from 'next/link';
 import { useParams, useRouter } from 'next/navigation';
 import { COL_VOCABULARIES } from '@/constants';
+import { listLessonCategories } from '@/db/LessonCategories/listLessonCategories';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { LoadingButton } from '@mui/lab';
 import { Avatar, Divider } from '@mui/material';
@@ -12,7 +13,6 @@ import Button from '@mui/material/Button';
 import Card from '@mui/material/Card';
 import CardActions from '@mui/material/CardActions';
 import CardContent from '@mui/material/CardContent';
-
 import FormControl from '@mui/material/FormControl';
 import FormHelperText from '@mui/material/FormHelperText';
 import InputLabel from '@mui/material/InputLabel';
@@ -27,8 +27,10 @@ import { useTranslation } from 'react-i18next';
 import { z as zod } from 'zod';
 
 import { paths } from '@/paths';
+import isDevelopment from '@/lib/check-is-development';
 import { logger } from '@/lib/default-logger';
 import { base64ToFile, fileToBase64 } from '@/lib/file-to-base64';
+import getImageUrlFromFile from '@/lib/get-image-url-from-file.ts';
 import { pb } from '@/lib/pb';
 import { Option } from '@/components/core/option';
 import { toast } from '@/components/core/toaster';
@@ -36,8 +38,6 @@ import FormLoading from '@/components/loading';
 
 import ErrorDisplay from '../error';
 import type { EditFormProps } from './type';
-import { listLessonCategories } from '@/db/LessonCategories/listLessonCategories';
-import isDevelopment from '@/lib/check-is-development';
 
 const schema = zod.object({
   image: zod.union([zod.array(zod.any()), zod.string()]).optional(),
@@ -144,9 +144,7 @@ export function VocabularyEditForm(): React.JSX.Element {
         reset({ ...defaultValues, ...result });
 
         if (result.image !== '') {
-          const fetchResult = await fetch(
-            `http://127.0.0.1:8090/api/files/${result.collectionId}/${result.id}/${result.image}`
-          );
+          const fetchResult = await fetch(getImageUrlFromFile(result.collectionId, result.id, result.image));
 
           const blob = await fetchResult.blob();
           const url = await fileToBase64(blob);
diff --git a/002_source/cms/src/lib/get-image-url-from-file.ts.ts b/002_source/cms/src/lib/get-image-url-from-file.ts.ts
index 8101ca7..5ca47a1 100644
--- a/002_source/cms/src/lib/get-image-url-from-file.ts.ts
+++ b/002_source/cms/src/lib/get-image-url-from-file.ts.ts
@@ -3,6 +3,8 @@
 // get file url from pocketbase record
 //
 
-export default function getImageUrlFromFile(collectionId: string, id: string, imgFile: string): string {
-  return `http://127.0.0.1:8090/api/files/${collectionId}/${id}/${imgFile}`;
+import { POCKETBASE_URL } from './pb';
+
+export default function getImageUrlFromFile(collectionId: string, id: string, imgFile: string | undefined): string {
+  return `${POCKETBASE_URL}/api/files/${collectionId}/${id}/${imgFile}`;
 }
diff --git a/002_source/cms/src/lib/pb.ts b/002_source/cms/src/lib/pb.ts
index d564382..a0646f2 100644
--- a/002_source/cms/src/lib/pb.ts
+++ b/002_source/cms/src/lib/pb.ts
@@ -1,3 +1,6 @@
 import PocketBase from 'pocketbase';
 
+if (!process.env.NEXT_PUBLIC_POCKETBASE_URL) throw new Error('the pocketbase url cannot empty');
+export const POCKETBASE_URL: string = process.env.NEXT_PUBLIC_POCKETBASE_URL;
+
 export const pb = new PocketBase(process.env.NEXT_PUBLIC_POCKETBASE_URL);