diff --git a/plugins/mariadb/index.py b/plugins/mariadb/index.py
index 93c457172..4c820c4b6 100755
--- a/plugins/mariadb/index.py
+++ b/plugins/mariadb/index.py
@@ -363,20 +363,26 @@ def initMariaDbPwd():
         print("init mariadb password fail:" + data[1])
         exit(1)
 
+    # 删除空账户
+    drop_empty_user = serverdir + '/bin/mysql ' + db_option + '-uroot -p' + \
+        pwd + ' -e "use mysql;delete from user where USER=\'\'"'
+    mw.execShell(drop_empty_user)
+
     # 删除测试数据库
     drop_test_db = serverdir + '/bin/mysql ' + db_option + ' -uroot -p' + \
         pwd + ' -e "drop database test";'
     mw.execShell(drop_test_db)
 
     # 删除冗余账户
-    hostname = mw.execShell('hostname')[0].strip()
-    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)
+    if hostname != 'hostname':
+        hostname = mw.execShell('hostname')[0].strip()
+        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
diff --git a/plugins/mysql-apt/index.py b/plugins/mysql-apt/index.py
index 8b77ba3ed..a1b67874e 100755
--- a/plugins/mysql-apt/index.py
+++ b/plugins/mysql-apt/index.py
@@ -345,16 +345,16 @@ def initMysql8Pwd():
 
     # 删除冗余账户
     hostname = mw.execShell('hostname')[0].strip()
+    if hostname != 'localhost':
+        drop_hostname =  cmd_my + ' --defaults-file=' + \
+            myconf + ' -uroot -p' + pwd + ' -e "drop user \'\'@\'' + hostname + '\'";'
+        mw.execShell(drop_hostname)
 
-    drop_hostname =  cmd_my + ' --defaults-file=' + \
-        myconf + ' -uroot -p' + pwd + ' -e "drop user \'\'@\'' + hostname + '\'";'
-    mw.execShell(drop_hostname)
+        drop_root_hostname =  cmd_my + ' --defaults-file=' + \
+            myconf + ' -uroot -p' + pwd + ' -e "drop user \'root\'@\'' + hostname + '\'";'
+        mw.execShell(drop_root_hostname)
 
-    drop_root_hostname =  cmd_my + ' --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,))
+        pSqliteDb('config').where('id=?', (1,)).save('mysql_root', (pwd,))
     return True
 
 
diff --git a/plugins/mysql/index.py b/plugins/mysql/index.py
index 20f8d24a7..5123c0776 100755
--- a/plugins/mysql/index.py
+++ b/plugins/mysql/index.py
@@ -428,14 +428,14 @@ def initMysqlPwd():
 
     # 删除冗余账户
     hostname = mw.execShell('hostname')[0].strip()
-
-    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)
+    if hostname != '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