diff --git a/pig-register/src/main/resources/application.yml b/pig-register/src/main/resources/application.yml
index d27db8b1..46125f56 100644
--- a/pig-register/src/main/resources/application.yml
+++ b/pig-register/src/main/resources/application.yml
@@ -10,7 +10,7 @@ db:
   user: ${MYSQL_USER:root}
   password: ${MYSQL_PWD:root}
   url:
-    0: jdbc:mysql://${MYSQL_HOST:pig-mysql}:${MYSQL_PORT:4000}/${MYSQL_DB:pig_config}?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true
+    0: jdbc:mysql://${MYSQL_HOST:pig-mysql}:${MYSQL_PORT:3306}/${MYSQL_DB:pig_config}?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true
 
 
 nacos: