diff --git a/docker/docker-compose.postgres.yml b/docker/docker-compose.postgres.yml
index 09494bd..383136e 100644
--- a/docker/docker-compose.postgres.yml
+++ b/docker/docker-compose.postgres.yml
@@ -19,7 +19,7 @@ networks:
 
 services:
   postgres:
-    container_name: postgresql
+    container_name: postgres
     image: registry.cn-hangzhou.aliyuncs.com/sanbing/postgresql:17
     restart: always
     networks:
diff --git a/jcpp-protocol-yunkuaichong/READMD.md b/jcpp-protocol-yunkuaichong/READMD.md
index 4ac440c..04aeb5c 100644
--- a/jcpp-protocol-yunkuaichong/READMD.md
+++ b/jcpp-protocol-yunkuaichong/READMD.md
@@ -22,7 +22,7 @@
 
 #### 上行计费模型验证
 `68 0d 71 ad 00 05 20 23 12 12 00 00 10 00 00 222B`
-#### 上行计费模型验证应答
+#### 下行计费模型验证应答
 `68 08 71 AD 00 06 20 23 12 12 00 00 10 00 6C DB`
 
 ---