diff --git a/plugins/mysql-apt/index.py b/plugins/mysql-apt/index.py
index 84ab5ae68..8c03a31f9 100755
--- a/plugins/mysql-apt/index.py
+++ b/plugins/mysql-apt/index.py
@@ -2342,13 +2342,13 @@ def installPreInspection(version):
     if not sysName in ('debian', 'ubuntu'):
         return '仅支持debian,ubuntu'
 
-    if not (sysName == 'debian' and not sysId in('11', '10')):
+    if (sysName == 'debian' and not sysId in('11', '10')):
         return 'debian支持10,11'
 
-    if not (sysName == 'ubuntu' and version == '5.7' and not sysId in ('18.04')):
+    if (sysName == 'ubuntu' and version == '5.7' and not sysId in ('18.04')):
         return 'ubuntu支持18.04'
 
-    if not (sysName == 'ubuntu' and version == '8.0' and not sysId in ('18.04', '20.04', '22.04')):
+    if (sysName == 'ubuntu' and version == '8.0' and not sysId in ('18.04', '20.04', '22.04')):
         return 'ubuntu支持18.04,20.04,22.04'
     return 'ok'
 
diff --git a/plugins/mysql-yum/index.py b/plugins/mysql-yum/index.py
index 1424e4b4f..c8f4f7f0d 100755
--- a/plugins/mysql-yum/index.py
+++ b/plugins/mysql-yum/index.py
@@ -2321,10 +2321,10 @@ def installPreInspection(version):
     if not sysName in ('centos',):
         return '仅支持centos'
 
-    if not (sysName == 'centos' and version == '5.7' and not sysId in('7',)):
+    if (sysName == 'centos' and version == '5.7' and not sysId in('7',)):
         return 'mysql5.7 仅支持centos7'
 
-    if not (sysName == 'centos' and version == '8.0' and not sysId in ('7', '8', '9',)):
+    if (sysName == 'centos' and version == '8.0' and not sysId in ('7', '8', '9',)):
         return 'mysql8.0 仅支持centos7,8,9'
     return 'ok'