diff --git a/002_source/pocketbase/pb_hooks/.vscode/settings.json b/002_source/pocketbase/pb_hooks/.vscode/settings.json
new file mode 100644
index 0000000..7c2feb7
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "editor.formatOnSave": false
+}
diff --git a/002_source/pocketbase/pb_hooks/assets/people1.png b/002_source/pocketbase/pb_hooks/assets/people1.png
new file mode 100644
index 0000000..ac76f10
Binary files /dev/null and b/002_source/pocketbase/pb_hooks/assets/people1.png differ
diff --git a/002_source/pocketbase/pb_hooks/assets/people2.png b/002_source/pocketbase/pb_hooks/assets/people2.png
new file mode 100644
index 0000000..2fa26f4
Binary files /dev/null and b/002_source/pocketbase/pb_hooks/assets/people2.png differ
diff --git a/002_source/pocketbase/pb_hooks/assets/people3.png b/002_source/pocketbase/pb_hooks/assets/people3.png
new file mode 100644
index 0000000..e5312ae
Binary files /dev/null and b/002_source/pocketbase/pb_hooks/assets/people3.png differ
diff --git a/002_source/pocketbase/pb_hooks/assets/people4.png b/002_source/pocketbase/pb_hooks/assets/people4.png
new file mode 100644
index 0000000..9cae02c
Binary files /dev/null and b/002_source/pocketbase/pb_hooks/assets/people4.png differ
diff --git a/002_source/pocketbase/pb_hooks/assets/people5.png b/002_source/pocketbase/pb_hooks/assets/people5.png
new file mode 100644
index 0000000..327af31
Binary files /dev/null and b/002_source/pocketbase/pb_hooks/assets/people5.png differ
diff --git a/002_source/pocketbase/pb_hooks/seed.pb.js b/002_source/pocketbase/pb_hooks/seed.pb.js
index 71ab7df..4502bcf 100644
--- a/002_source/pocketbase/pb_hooks/seed.pb.js
+++ b/002_source/pocketbase/pb_hooks/seed.pb.js
@@ -22,6 +22,11 @@ $app.rootCmd.addCommand(
       //
       require(`${__hooks}/seed/020_QuizLPCategories.js`)($app);
       require(`${__hooks}/seed/021_QuizLPQuestions.js`)($app);
+      //
+      require(`${__hooks}/seed/030_QuizMFCategories.js`)($app);
+      require(`${__hooks}/seed/031_QuizMFQuestions.js`)($app);
+      //
+      require(`${__hooks}/seed/040_QuizCRCategories.js`)($app);
 
       $app.reloadCachedCollections();
       $app.reloadSettings();
diff --git a/002_source/pocketbase/pb_hooks/seed/004_clean_users.js b/002_source/pocketbase/pb_hooks/seed/004_clean_users.js
new file mode 100644
index 0000000..1ef99cd
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/004_clean_users.js
@@ -0,0 +1,14 @@
+module.exports = ($app) => {
+  console.log("004 clean user table start");
+
+  dirtyTruncateTable("Users");
+  dirtyTruncateTable("UserMetas");
+
+  console.log("004 clean user table done");
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/005_Users_teacher.js b/002_source/pocketbase/pb_hooks/seed/005_Users_teacher.js
new file mode 100644
index 0000000..bf2bb3c
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/005_Users_teacher.js
@@ -0,0 +1,81 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+
+  let row_array = [
+    ["11".padStart(15, 0), "teacher1@123.com", "teacher1@123.com", "teacher1@123.com", true, true, "test_user_1"],
+    ["12".padStart(15, 0), "teacher2@123.com", "teacher2@123.com", "teacher2@123.com", true, true, "test_user_2"],
+    ["13".padStart(15, 0), "teacher3@123.com", "teacher3@123.com", "teacher3@123.com", true, true, "test_user_3"],
+  ];
+
+  let um_row_array = [
+    [
+      "11".padStart(15, 0),
+      "teacher1@123.com",
+      "active",
+      "11".padStart(15, 0),
+      JSON.stringify({}),
+      getAsset("people1.png"),
+      "teacher",
+      //
+    ],
+    [
+      "12".padStart(15, 0),
+      "teacher2@123.com",
+      "active",
+      "12".padStart(15, 0),
+      JSON.stringify({}),
+      getAsset("people2.png"),
+      "teacher",
+      //
+    ],
+    [
+      "13".padStart(15, 0),
+      "teacher3@123.com",
+      "active",
+      "13".padStart(15, 0),
+      JSON.stringify({}),
+      getAsset("people3.png"),
+      "teacher",
+      //
+    ],
+  ];
+
+  let users_collection = $app.findCollectionByNameOrId("users");
+  let user_metas_collection = $app.findCollectionByNameOrId("UserMetas");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let user = row_array[i];
+    let um = um_row_array[i];
+
+    let record = new Record(users_collection);
+    record.set("id", user[0]);
+    record.set("password", user[1]);
+    record.set("passwordConfirm", user[2]);
+    record.set("email", user[3]);
+    record.set("emailVisibility", user[4]);
+    record.set("verified", user[5]);
+    record.set("name", user[6]);
+    $app.save(record);
+
+    let um_record = new Record(user_metas_collection);
+    um_record.set("id", um[0]);
+    um_record.set("helloworld", um[1]);
+    um_record.set("state", um[2]);
+    um_record.set("user_id", um[3]);
+    um_record.set("meta", um[4]);
+    um_record.set("avatar", um[5]);
+    um_record.set("role", um[6]);
+    $app.save(um_record);
+  }
+
+  console.log("005 add teacher user done");
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/006_Users_student.js b/002_source/pocketbase/pb_hooks/seed/006_Users_student.js
new file mode 100644
index 0000000..17e7b81
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/006_Users_student.js
@@ -0,0 +1,58 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+
+  let row_array = [
+    ["1".padStart(15, 0), "user1@123.com", "user1@123.com", "user1@123.com", true, true, "test_user_1"],
+    ["2".padStart(15, 0), "user2@123.com", "user2@123.com", "user2@123.com", true, true, "test_user_2"],
+    ["3".padStart(15, 0), "user3@123.com", "user3@123.com", "user3@123.com", true, true, "test_user_3"],
+    ["4".padStart(15, 0), "user4@123.com", "user4@123.com", "user4@123.com", true, true, "test_user_4"],
+    ["5".padStart(15, 0), "user5@123.com", "user5@123.com", "user5@123.com", true, true, "test_user_5"],
+  ];
+
+  let um_row_array = [
+    ["1".padStart(15, 0), "user1@123.com", "active", "1".padStart(15, 0), JSON.stringify({}), getAsset("people1.png"), "student"],
+    ["2".padStart(15, 0), "user2@123.com", "active", "2".padStart(15, 0), JSON.stringify({}), getAsset("people2.png"), "student"],
+    ["3".padStart(15, 0), "user3@123.com", "active", "3".padStart(15, 0), JSON.stringify({}), getAsset("people3.png"), "student"],
+    ["4".padStart(15, 0), "user4@123.com", "active", "4".padStart(15, 0), JSON.stringify({}), getAsset("people4.png"), "student"],
+    ["5".padStart(15, 0), "user5@123.com", "active", "5".padStart(15, 0), JSON.stringify({}), getAsset("people5.png"), "student"],
+  ];
+
+  let users_collection = $app.findCollectionByNameOrId("users");
+  let user_metas_collection = $app.findCollectionByNameOrId("UserMetas");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let user = row_array[i];
+    let um = um_row_array[i];
+
+    let record = new Record(users_collection);
+    record.set("id", user[0]);
+    record.set("password", user[1]);
+    record.set("passwordConfirm", user[2]);
+    record.set("email", user[3]);
+    record.set("emailVisibility", user[4]);
+    record.set("verified", user[5]);
+    record.set("name", user[6]);
+    $app.save(record);
+
+    let um_record = new Record(user_metas_collection);
+    um_record.set("id", um[0]);
+    um_record.set("helloworld", um[1]);
+    um_record.set("state", um[2]);
+    um_record.set("user_id", um[3]);
+    um_record.set("meta", um[4]);
+    um_record.set("avatar", um[5]);
+    um_record.set("role", um[6]);
+    $app.save(um_record);
+  }
+
+  console.log("006 add student user done");
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/020_QuizLPCategories.js b/002_source/pocketbase/pb_hooks/seed/020_QuizLPCategories.js
new file mode 100644
index 0000000..2760ca9
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/020_QuizLPCategories.js
@@ -0,0 +1,43 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+  const getId = (id) => id.padStart(15, 0);
+  let row_array = [
+    [getId("1"), "news (listening)", getAsset("ci_news.jpg"), 1, {}, "visible"],
+    [getId("2"), "sports (listening)", getAsset("ci_sports.jpg"), 2, {}, "visible"],
+    [getId("3"), "technology (listening)", getAsset("ci_technology.jpg"), 3, {}, "visible"],
+    [getId("4"), "art (listening)", getAsset("ci_art.jpg"), 4, {}, "visible"],
+    [getId("5"), "basic (listening)", getAsset("ci_basic.jpg"), 5, {}, "visible"],
+    [getId("6"), "nature (listening)", getAsset("ci_nature.jpg"), 6, {}, "visible"],
+    [getId("7"), "workplace (listening)", getAsset("ci_workplace.jpg"), 7, {}, "visible"],
+    [getId("8"), "workplace (listening)", getAsset("ci_workplace.jpg"), 8, {}, "visible"],
+    [getId("99"), "test hidden (listening)", getAsset("ci_workplace.jpg"), 9, {}, "hidden"],
+  ];
+  dirtyTruncateTable("QuizLPCategories");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizLPCategories");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("cat_name", lesson_type[1]);
+    record.set("cat_image", lesson_type[2]);
+    record.set("pos", lesson_type[3]);
+    record.set("init_answer", lesson_type[4]);
+    record.set("visible", lesson_type[5]);
+
+    $app.save(record);
+  }
+
+  console.log(`020_QuizLPCategories done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js b/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js
new file mode 100644
index 0000000..36eeb25
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js
@@ -0,0 +1,47 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+  const cat_id_technology = "3".padStart(15, 0);
+  const getId = (id) => id.padStart(15, 0);
+  let row_array = [
+    [getId("1")  ,"news (LP)"        ,getAsset("ci_news.jpg")       ,1 ,{} ,"visible" ,"news"       ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("2")  ,"sports (LP)"      ,getAsset("ci_sports.jpg")     ,2 ,{} ,"visible" ,"sports"     ,getAsset("mouse.mp3")    ,cat_id_technology] ,
+    [getId("3")  ,"technology (LP)"  ,getAsset("ci_technology.jpg") ,3 ,{} ,"visible" ,"technology" ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("4")  ,"art (LP)"         ,getAsset("ci_art.jpg")        ,4 ,{} ,"visible" ,"art"        ,getAsset("mouse.mp3")    ,cat_id_technology] ,
+    [getId("5")  ,"basic (LP)"       ,getAsset("ci_basic.jpg")      ,5 ,{} ,"visible" ,"basic"      ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("6")  ,"nature (LP)"      ,getAsset("ci_nature.jpg")     ,6 ,{} ,"visible" ,"nature"     ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("7")  ,"workplace (LP)"   ,getAsset("ci_workplace.jpg")  ,7 ,{} ,"visible" ,"workplace"  ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("8")  ,"workplace (LP)"   ,getAsset("ci_workplace.jpg")  ,8 ,{} ,"visible" ,"workplace"  ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+    [getId("99") ,"test hidden (LP)" ,getAsset("ci_workplace.jpg")  ,9 ,{} ,"hidden"  ,"test"       ,getAsset("keyboard.mp3") ,cat_id_technology] ,
+  ];
+  dirtyTruncateTable("QuizLPQuestions");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizLPQuestions");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("cat_name", lesson_type[1]);
+    record.set("cat_image", lesson_type[2]);
+    record.set("pos", lesson_type[3]);
+    record.set("init_answer", lesson_type[4]);
+    record.set("visible", lesson_type[5]);
+    record.set("word", lesson_type[6]);
+    record.set("sound", lesson_type[7]);
+    record.set("cat_id", lesson_type[7]);
+
+    $app.save(record);
+  }
+
+  console.log(`021_QuizLPQuestions done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js.plan b/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js.plan
new file mode 100644
index 0000000..eed97f9
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/021_QuizLPQuestions.js.plan
@@ -0,0 +1,35 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const getId = (id) => id.padStart(15, 0);
+  const id_v = getId("1"); //id_vocabulary
+  const id_c = getId("2"); //id_connectives
+
+  let row_array = [
+    [getId("1"), "keyboard", getAsset("keyboard.jpg"), getId("1")],
+    [getId("2"), "mouse", getAsset("mouse.jpg"), getId("1")],
+  ];
+  dirtyTruncateTable("QuizLPQuestions");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizLPQuestions");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("word", lesson_type[1]);
+    record.set("sound", lesson_type[2]);
+    record.set("cat_id", lesson_type[3]);
+
+    $app.save(record);
+  }
+
+  console.log(`021 QuizLPQuestions done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/030_QuizMFCategories.js b/002_source/pocketbase/pb_hooks/seed/030_QuizMFCategories.js
new file mode 100644
index 0000000..15b48bc
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/030_QuizMFCategories.js
@@ -0,0 +1,43 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+  const getId = (id) => id.padStart(15, 0);
+  let row_array = [
+    [getId("1"), "news (matching)", getAsset("ci_news.jpg"), 1, {}, "visible"],
+    [getId("2"), "sports (matching)", getAsset("ci_sports.jpg"), 2, {}, "visible"],
+    [getId("3"), "technology (matching)", getAsset("ci_technology.jpg"), 3, {}, "visible"],
+    [getId("4"), "art (matching)", getAsset("ci_art.jpg"), 4, {}, "visible"],
+    [getId("5"), "basic (matching)", getAsset("ci_basic.jpg"), 5, {}, "visible"],
+    [getId("6"), "nature (matching)", getAsset("ci_nature.jpg"), 6, {}, "visible"],
+    [getId("7"), "workplace (matching)", getAsset("ci_workplace.jpg"), 7, {}, "visible"],
+    [getId("8"), "workplace (matching)", getAsset("ci_workplace.jpg"), 8, {}, "visible"],
+    [getId("99"), "test hidden (matching)", getAsset("ci_workplace.jpg"), 9, {}, "hidden"],
+  ];
+  dirtyTruncateTable("QuizMFCategories");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizMFCategories");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("cat_name", lesson_type[1]);
+    record.set("cat_image", lesson_type[2]);
+    record.set("pos", lesson_type[3]);
+    record.set("init_answer", lesson_type[4]);
+    record.set("visible", lesson_type[5]);
+
+    $app.save(record);
+  }
+
+  console.log(`030_QuizMFCategories done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/031_QuizMFQuestions.js b/002_source/pocketbase/pb_hooks/seed/031_QuizMFQuestions.js
new file mode 100644
index 0000000..1c40ecd
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/031_QuizMFQuestions.js
@@ -0,0 +1,43 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+  const getId = (id) => id.padStart(15, 0);
+  let row_array = [
+    [getId("1"), "news (MF)", getAsset("ci_news.jpg"), 1, {}, "visible"],
+    [getId("2"), "sports (MF)", getAsset("ci_sports.jpg"), 2, {}, "visible"],
+    [getId("3"), "technology (MF)", getAsset("ci_technology.jpg"), 3, {}, "visible"],
+    [getId("4"), "art (MF)", getAsset("ci_art.jpg"), 4, {}, "visible"],
+    [getId("5"), "basic (MF)", getAsset("ci_basic.jpg"), 5, {}, "visible"],
+    [getId("6"), "nature (MF)", getAsset("ci_nature.jpg"), 6, {}, "visible"],
+    [getId("7"), "workplace (MF)", getAsset("ci_workplace.jpg"), 7, {}, "visible"],
+    [getId("8"), "workplace (MF)", getAsset("ci_workplace.jpg"), 8, {}, "visible"],
+    [getId("99"), "test hidden (MF)", getAsset("ci_workplace.jpg"), 9, {}, "hidden"],
+  ];
+  dirtyTruncateTable("QuizMFQuestions");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizMFQuestions");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("cat_name", lesson_type[1]);
+    record.set("cat_image", lesson_type[2]);
+    record.set("pos", lesson_type[3]);
+    record.set("init_answer", lesson_type[4]);
+    record.set("visible", lesson_type[5]);
+
+    $app.save(record);
+  }
+
+  console.log(`031_QuizMFQuestions done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/040_QuizCRCategories.js b/002_source/pocketbase/pb_hooks/seed/040_QuizCRCategories.js
new file mode 100644
index 0000000..d36a94f
--- /dev/null
+++ b/002_source/pocketbase/pb_hooks/seed/040_QuizCRCategories.js
@@ -0,0 +1,43 @@
+module.exports = ($app) => {
+  const ASSETS_DIR = "/pb_hooks/assets";
+  const getAsset = (name) => $filesystem.fileFromPath(ASSETS_DIR + "/" + name);
+  const id_v = "1".padStart(15, 0); //id_vocabulary
+  const id_c = "2".padStart(15, 0); //id_connectives
+  const getId = (id) => id.padStart(15, 0);
+  let row_array = [
+    [getId("1"), "news (connect)", getAsset("ci_news.jpg"), 1, {}, "visible"],
+    [getId("2"), "sports (connect)", getAsset("ci_sports.jpg"), 2, {}, "visible"],
+    [getId("3"), "technology (connect)", getAsset("ci_technology.jpg"), 3, {}, "visible"],
+    [getId("4"), "art (connect)", getAsset("ci_art.jpg"), 4, {}, "visible"],
+    [getId("5"), "basic (connect)", getAsset("ci_basic.jpg"), 5, {}, "visible"],
+    [getId("6"), "nature (connect)", getAsset("ci_nature.jpg"), 6, {}, "visible"],
+    [getId("7"), "workplace (connect)", getAsset("ci_workplace.jpg"), 7, {}, "visible"],
+    [getId("8"), "workplace (connect)", getAsset("ci_workplace.jpg"), 8, {}, "visible"],
+    [getId("99"), "test hidden (connect)", getAsset("ci_workplace.jpg"), 9, {}, "hidden"],
+  ];
+  dirtyTruncateTable("QuizMFCategories");
+
+  let lt_collection = $app.findCollectionByNameOrId("QuizMFCategories");
+
+  for (let i = 0; i < row_array.length; i++) {
+    let lesson_type = row_array[i];
+
+    let record = new Record(lt_collection);
+    record.set("id", lesson_type[0]);
+    record.set("cat_name", lesson_type[1]);
+    record.set("cat_image", lesson_type[2]);
+    record.set("pos", lesson_type[3]);
+    record.set("init_answer", lesson_type[4]);
+    record.set("visible", lesson_type[5]);
+
+    $app.save(record);
+  }
+
+  console.log(`030_QuizMFCategories done`);
+};
+
+const dirtyTruncateTable = (COLLECTION_NAME) => {
+  console.log(`perform dirty method to truncate table "${COLLECTION_NAME}"`);
+  const cmd_to_exec = $os.cmd("sqlite3", "/pb_data/data.db", `DELETE from ${COLLECTION_NAME};`);
+  cmd_to_exec.output();
+};
diff --git a/002_source/pocketbase/pb_hooks/seed/schema.json b/002_source/pocketbase/pb_hooks/seed/schema.json
index 1548ff9..5f6a265 100644
--- a/002_source/pocketbase/pb_hooks/seed/schema.json
+++ b/002_source/pocketbase/pb_hooks/seed/schema.json
@@ -1356,6 +1356,20 @@
         "presentable": false,
         "system": false,
         "type": "autodate"
+      },
+      {
+        "autogeneratePattern": "",
+        "hidden": false,
+        "id": "text2058414169",
+        "max": 0,
+        "min": 0,
+        "name": "visible",
+        "pattern": "",
+        "presentable": false,
+        "primaryKey": false,
+        "required": false,
+        "system": false,
+        "type": "text"
       }
     ],
     "indexes": [],
diff --git a/002_source/pocketbase/pb_migrations/1745000156_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1745000156_updated_UserMetas.js
new file mode 100644
index 0000000..1f78b24
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745000156_updated_UserMetas.js
@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // add field
+  collection.fields.addAt(7, new Field({
+    "hidden": false,
+    "id": "file376926767",
+    "maxSelect": 1,
+    "maxSize": 0,
+    "mimeTypes": [],
+    "name": "avatar",
+    "presentable": false,
+    "protected": false,
+    "required": false,
+    "system": false,
+    "thumbs": [],
+    "type": "file"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // remove field
+  collection.fields.removeById("file376926767")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745000989_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1745000989_updated_UserMetas.js
new file mode 100644
index 0000000..85048af
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745000989_updated_UserMetas.js
@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // add field
+  collection.fields.addAt(8, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text1466534506",
+    "max": 0,
+    "min": 0,
+    "name": "role",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // remove field
+  collection.fields.removeById("text1466534506")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745047253_updated_QuizLPCategories.js b/002_source/pocketbase/pb_migrations/1745047253_updated_QuizLPCategories.js
new file mode 100644
index 0000000..90cde30
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745047253_updated_QuizLPCategories.js
@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // add field
+  collection.fields.addAt(5, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text2058414169",
+    "max": 0,
+    "min": 0,
+    "name": "visible",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // remove field
+  collection.fields.removeById("text2058414169")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745093148_updated_QuizLPCategories.js b/002_source/pocketbase/pb_migrations/1745093148_updated_QuizLPCategories.js
new file mode 100644
index 0000000..b5d897e
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745093148_updated_QuizLPCategories.js
@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // add field
+  collection.fields.addAt(8, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text2560465762",
+    "max": 0,
+    "min": 0,
+    "name": "slug",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // remove field
+  collection.fields.removeById("text2560465762")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745143917_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1745143917_updated_UserMetas.js
new file mode 100644
index 0000000..096dc36
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745143917_updated_UserMetas.js
@@ -0,0 +1,28 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // update collection data
+  unmarshal({
+    "createRule": "",
+    "deleteRule": "",
+    "listRule": "",
+    "updateRule": "",
+    "viewRule": ""
+  }, collection)
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // update collection data
+  unmarshal({
+    "createRule": null,
+    "deleteRule": null,
+    "listRule": null,
+    "updateRule": null,
+    "viewRule": null
+  }, collection)
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745165249_updated_QuizLPCategories.js b/002_source/pocketbase/pb_migrations/1745165249_updated_QuizLPCategories.js
new file mode 100644
index 0000000..a4895a1
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745165249_updated_QuizLPCategories.js
@@ -0,0 +1,45 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // add field
+  collection.fields.addAt(9, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text1156222427",
+    "max": 0,
+    "min": 0,
+    "name": "remarks",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  // add field
+  collection.fields.addAt(10, new Field({
+    "convertURLs": false,
+    "hidden": false,
+    "id": "editor1843675174",
+    "maxSize": 0,
+    "name": "description",
+    "presentable": false,
+    "required": false,
+    "system": false,
+    "type": "editor"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_3639453778")
+
+  // remove field
+  collection.fields.removeById("text1156222427")
+
+  // remove field
+  collection.fields.removeById("editor1843675174")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745188429_updated_QuizMFCategories.js b/002_source/pocketbase/pb_migrations/1745188429_updated_QuizMFCategories.js
new file mode 100644
index 0000000..8d9b68a
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745188429_updated_QuizMFCategories.js
@@ -0,0 +1,29 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_84667061")
+
+  // add field
+  collection.fields.addAt(5, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text2058414169",
+    "max": 0,
+    "min": 0,
+    "name": "visible",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_84667061")
+
+  // remove field
+  collection.fields.removeById("text2058414169")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745198654_updated_QuizLPQuestions.js b/002_source/pocketbase/pb_migrations/1745198654_updated_QuizLPQuestions.js
new file mode 100644
index 0000000..58606b3
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745198654_updated_QuizLPQuestions.js
@@ -0,0 +1,153 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_742947356")
+
+  // add field
+  collection.fields.addAt(4, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text1125157303",
+    "max": 0,
+    "min": 0,
+    "name": "cat_name",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  // add field
+  collection.fields.addAt(5, new Field({
+    "hidden": false,
+    "id": "file2034676914",
+    "maxSelect": 1,
+    "maxSize": 0,
+    "mimeTypes": [],
+    "name": "cat_image",
+    "presentable": false,
+    "protected": false,
+    "required": false,
+    "system": false,
+    "thumbs": [],
+    "type": "file"
+  }))
+
+  // add field
+  collection.fields.addAt(6, new Field({
+    "hidden": false,
+    "id": "number2161764012",
+    "max": null,
+    "min": null,
+    "name": "pos",
+    "onlyInt": false,
+    "presentable": false,
+    "required": false,
+    "system": false,
+    "type": "number"
+  }))
+
+  // add field
+  collection.fields.addAt(7, new Field({
+    "hidden": false,
+    "id": "json3915970527",
+    "maxSize": 0,
+    "name": "init_answer",
+    "presentable": false,
+    "required": false,
+    "system": false,
+    "type": "json"
+  }))
+
+  // add field
+  collection.fields.addAt(8, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text2058414169",
+    "max": 0,
+    "min": 0,
+    "name": "visible",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  // add field
+  collection.fields.addAt(9, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text2560465762",
+    "max": 0,
+    "min": 0,
+    "name": "slug",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  // add field
+  collection.fields.addAt(10, new Field({
+    "autogeneratePattern": "",
+    "hidden": false,
+    "id": "text1156222427",
+    "max": 0,
+    "min": 0,
+    "name": "remarks",
+    "pattern": "",
+    "presentable": false,
+    "primaryKey": false,
+    "required": false,
+    "system": false,
+    "type": "text"
+  }))
+
+  // add field
+  collection.fields.addAt(11, new Field({
+    "convertURLs": false,
+    "hidden": false,
+    "id": "editor1843675174",
+    "maxSize": 0,
+    "name": "description",
+    "presentable": false,
+    "required": false,
+    "system": false,
+    "type": "editor"
+  }))
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_742947356")
+
+  // remove field
+  collection.fields.removeById("text1125157303")
+
+  // remove field
+  collection.fields.removeById("file2034676914")
+
+  // remove field
+  collection.fields.removeById("number2161764012")
+
+  // remove field
+  collection.fields.removeById("json3915970527")
+
+  // remove field
+  collection.fields.removeById("text2058414169")
+
+  // remove field
+  collection.fields.removeById("text2560465762")
+
+  // remove field
+  collection.fields.removeById("text1156222427")
+
+  // remove field
+  collection.fields.removeById("editor1843675174")
+
+  return app.save(collection)
+})
diff --git a/002_source/pocketbase/pb_migrations/1745241212_updated_UserMetas.js b/002_source/pocketbase/pb_migrations/1745241212_updated_UserMetas.js
new file mode 100644
index 0000000..096dc36
--- /dev/null
+++ b/002_source/pocketbase/pb_migrations/1745241212_updated_UserMetas.js
@@ -0,0 +1,28 @@
+/// <reference path="../pb_data/types.d.ts" />
+migrate((app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // update collection data
+  unmarshal({
+    "createRule": "",
+    "deleteRule": "",
+    "listRule": "",
+    "updateRule": "",
+    "viewRule": ""
+  }, collection)
+
+  return app.save(collection)
+}, (app) => {
+  const collection = app.findCollectionByNameOrId("pbc_1305841361")
+
+  // update collection data
+  unmarshal({
+    "createRule": null,
+    "deleteRule": null,
+    "listRule": null,
+    "updateRule": null,
+    "viewRule": null
+  }, collection)
+
+  return app.save(collection)
+})