diff --git a/readme.md b/readme.md
index 9ca8e07..f6520a4 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,3 @@
 ## FPGA IP pll
-### pll调用
-### led等显示不同时钟频率
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+### 1.pll调用
+### 2.led灯闪烁显示不同时钟频率
\ No newline at end of file