diff --git a/dolphinscheduler-ui/src/views/projects/workflow/instance/index.module.scss b/dolphinscheduler-ui/src/views/projects/workflow/instance/index.module.scss
index 7eac171996..f29869391b 100644
--- a/dolphinscheduler-ui/src/views/projects/workflow/instance/index.module.scss
+++ b/dolphinscheduler-ui/src/views/projects/workflow/instance/index.module.scss
@@ -72,14 +72,6 @@
   margin-top: 20px;
 }
 
-.operation {
-  > div {
-    > div {
-      margin-right: 5px !important;
-    }
-  }
-}
-
 .startup {
   align-items: center;
   > div:first-child {
diff --git a/dolphinscheduler-ui/src/views/projects/workflow/instance/use-table.ts b/dolphinscheduler-ui/src/views/projects/workflow/instance/use-table.ts
index 1339113d98..611d52d14a 100644
--- a/dolphinscheduler-ui/src/views/projects/workflow/instance/use-table.ts
+++ b/dolphinscheduler-ui/src/views/projects/workflow/instance/use-table.ts
@@ -175,8 +175,7 @@ export function useTable() {
       {
         title: t('project.workflow.operation'),
         key: 'operation',
-        ...COLUMN_WIDTH_CONFIG['operation'](6),
-        className: styles.operation,
+        ...COLUMN_WIDTH_CONFIG['operation'](7),
         render: (_row: IWorkflowInstance, index: number) =>
           h(TableAction, {
             row: _row,