diff --git a/Web/src/views/main/index.vue b/Web/src/views/main/index.vue
index fad068b..b58603f 100644
--- a/Web/src/views/main/index.vue
+++ b/Web/src/views/main/index.vue
@@ -144,7 +144,7 @@ export default {
 
     onCloseContentWindow(key) {
       key = key || this.tabActived;
-      const i = this.$_.findIndex(this.panes, (p) => p.key === key);
+      const i = this.$_.findIndex(this.panes, (p) => p.key === key && p.closable);
       this.panes.splice(i, 1);
 
       if (this.panes.length) {