diff --git a/doc/实践四/小米便签逻辑视图.pdf b/doc/实践四/小米便签逻辑视图.pdf
new file mode 100644
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Binary files /dev/null and b/doc/实践四/小米便签逻辑视图.pdf differ
diff --git a/doc/实践四/登录功能逻辑视图.drawio b/doc/实践四/登录功能逻辑视图.drawio
index 3ff17a2..2d84b46 100644
--- a/doc/实践四/登录功能逻辑视图.drawio
+++ b/doc/实践四/登录功能逻辑视图.drawio
@@ -1 +1 @@
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