diff --git a/src/modules/title/title.ts b/src/modules/title/title.ts
index 73d936b..687e2e8 100644
--- a/src/modules/title/title.ts
+++ b/src/modules/title/title.ts
@@ -78,6 +78,7 @@ export class Title extends BI.Widget {
                         type: BI.Tab.xtype,
                         height: 40,
                         showIndex: this.model.pageIndex,
+                        width:200,
                         ref: (_ref: Tab) => {
                             this.tab = _ref;
                         },