diff --git a/jcpp-protocol-yunkuaichong/READMD.md b/jcpp-protocol-yunkuaichong/READMD.md
index ee272cb..4ac440c 100644
--- a/jcpp-protocol-yunkuaichong/READMD.md
+++ b/jcpp-protocol-yunkuaichong/READMD.md
@@ -5,11 +5,11 @@
 #### 上行登录
 > （桩编号：20231212000010）HEX:20231212000010
 
-`68 22 00 19 00 01 20 23 12 12 00 00 10 01 01 10 47 56 2e 39 35 72 31 33 00 89 86 04 d1 17 22 d0 34 86 06 02 4E 87` 
+`68 22 00 19 00 01 20 23 12 12 00 00 10 01 01 10 47 56 2E 39 35 72 31 33 00 89 86 04 D1 17 22 D0 34 86 06 02 4E 87` 
 #### 下行登录应答
-`68 08 00 19 00 02 20 23 12 12 00 00 10 00 A1 55`
+`68 0C 00 19 00 02 20 23 12 12 00 00 10 00 A1 55`
 #### 下行登录后对时
-`68 0E 01 00 00 56 20 23 12 12 00 00 10 08 52 1B 17 02 0A 18 89 87`
+`68 12 01 00 00 56 20 23 12 12 00 00 10 30 75 0F 11 12 0C 18 04 7D `
 
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