diff --git a/docs/chaincode_developers_zh.md b/docs/chaincode_developers_zh.md
index 9d8b25d..c8730b6 100644
--- a/docs/chaincode_developers_zh.md
+++ b/docs/chaincode_developers_zh.md
@@ -451,7 +451,7 @@ go build
 现在运行chaincode：
 
 ```bash
-CORE_PEER_ADDRESS=peer:7051 CORE_CHAINCODE_ID_NAME=mycc:0 ./sacc
+CORE_PEER_ADDRESS=peer:7052 CORE_CHAINCODE_ID_NAME=mycc:0 ./sacc
 ```
 
 The chaincode is started with peer and chaincode logs indicating successful registration with the peer. Note that at this stage the chaincode is not associated with any channel. This is done in subsequent steps using the `instantiate` command.