diff --git a/assignment3.pdf b/assignment3.pdf
new file mode 100644
index 0000000..1aa31e2
Binary files /dev/null and b/assignment3.pdf differ
diff --git a/gitUpdate.bat b/gitUpdate.bat
new file mode 100644
index 0000000..aa09960
--- /dev/null
+++ b/gitUpdate.bat
@@ -0,0 +1,7 @@
+git status .
+
+@pause
+
+git add .
+git commit -m"update circleice,"
+start git push
\ No newline at end of file
diff --git a/meta.md b/meta.md
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index 0000000..60da62c
--- /dev/null
+++ b/meta.md
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+---
+tags: block-chain
+---