diff --git a/pjcloud-register/src/main/resources/application-prod.yml b/pjcloud-register/src/main/resources/application-prod.yml
index ee4d21051..cd9c43d5c 100644
--- a/pjcloud-register/src/main/resources/application-prod.yml
+++ b/pjcloud-register/src/main/resources/application-prod.yml
@@ -6,7 +6,7 @@ server:
     include-message: always
 db:
   num: 1
-  user: ${MYSQL_USER:root@sys}
+  user: ${MYSQL_USER:root}
   password: ${MYSQL_PWD:bsd.1799}
   url:
     0: jdbc:mysql://${MYSQL_HOST:pjcloud-mysql}:${MYSQL_PORT:2881}/${MYSQL_DB:pjcloudx_config}?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true