diff --git a/src/modules/app.ts b/src/modules/app.ts
index 5155f5b..d909040 100644
--- a/src/modules/app.ts
+++ b/src/modules/app.ts
@@ -38,7 +38,6 @@ export class App extends BI.Widget {
                 {
                     el: {
                         type: Title.xtype,
-                        cls: 'bi-border-bottom',
                         listeners: [{
                             eventName: 'EVENT_CLICK_SETTING',
                             action:() => {
@@ -82,10 +81,10 @@ export class App extends BI.Widget {
                                 }
                             },
                         },
-                        left: 10,
-                        top: 10,
-                        right: 10,
-                        bottom: 10,
+                        left: 0,
+                        top: 0,
+                        right: 0,
+                        bottom: 0,
                     }],
                 },
             ],
diff --git a/src/modules/title/title.ts b/src/modules/title/title.ts
index 687e2e8..28858fb 100644
--- a/src/modules/title/title.ts
+++ b/src/modules/title/title.ts
@@ -11,7 +11,7 @@ export class Title extends BI.Widget {
     static xtype = 'dec.dcm.title';
 
     props = {
-        baseCls: 'bi-card',
+        baseCls: '',
     }
     tab: Tab;
     linearSegment: LinearSegment;