diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index 78dd19e..3f81beb 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -30,7 +30,7 @@
                 {
                     "widgettype": "Menu",
                     "options": {
-                        "target": "main_content",
+                        "target": "-main_content",
                         "cwidth": 12,
                         "items": [
                             {
@@ -68,7 +68,7 @@
                             "wid": "self",
                             "event": "click",
                             "actiontype": "urlwidget",
-                            "target": "main_content",
+                            "target": "-main_content",
                             "options": {
                                 "url": "{{entire_url('/rbac/user/')}}"
                             },
@@ -127,7 +127,7 @@
                                         "wid": "self",
                                         "event": "click",
                                         "actiontype": "urlwidget",
-                                        "target": "main_content",
+                                        "target": "-main_content",
                                         "options": {
                                             "url": "{{entire_url('/pipeline_core/')}}"
                                         },
@@ -146,7 +146,7 @@
                                         "wid": "self",
                                         "event": "click",
                                         "actiontype": "urlwidget",
-                                        "target": "main_content",
+                                        "target": "-main_content",
                                         "options": {
                                             "url": "{{entire_url('/pipeline_ops/')}}"
                                         },
@@ -165,7 +165,7 @@
                                         "wid": "self",
                                         "event": "click",
                                         "actiontype": "urlwidget",
-                                        "target": "main_content",
+                                        "target": "-main_content",
                                         "options": {
                                             "url": "{{entire_url('/pipeline_dist/')}}"
                                         },
@@ -184,7 +184,7 @@
                                         "wid": "self",
                                         "event": "click",
                                         "actiontype": "urlwidget",
-                                        "target": "main_content",
+                                        "target": "-main_content",
                                         "options": {
                                             "url": "{{entire_url('/pipeline_task/')}}"
                                         },