diff --git a/plugins/mysql/index.py b/plugins/mysql/index.py
index 84eb5f41a..be8c22062 100755
--- a/plugins/mysql/index.py
+++ b/plugins/mysql/index.py
@@ -426,6 +426,18 @@ def initMysqlPwd():
         pwd + ' -e "drop database test";'
     mw.execShell(drop_test_db)
 
+    # 删除冗余账户
+    hostname = mw.execShell('hostname')[0]
+    drop_hostname = "drop user ''@'" + hostname + "'"
+
+    drop_hostname =  serverdir + '/bin/mysql  --defaults-file=' + \
+        myconf + ' -uroot -p' + pwd + ' -e "drop user ''@' + hostname + '";'
+    mw.execShell(drop_hostname)
+
+    drop_root_hostname =  serverdir + '/bin/mysql  --defaults-file=' + \
+        myconf + ' -uroot -p' + pwd + ' -e "drop user \'root\'@' + hostname + '";'
+    mw.execShell(drop_root_hostname)
+
     pSqliteDb('config').where('id=?', (1,)).save('mysql_root', (pwd,))
     return True