diff --git a/plugins/tensorboard-plugins/tb_graph_ascend/fe/src/tf_graph_controls/components/tf_color_select/index.ts b/plugins/tensorboard-plugins/tb_graph_ascend/fe/src/tf_graph_controls/components/tf_color_select/index.ts
index 7cb806a839f58b6385a85e5427b1bfb6216f4d53..888e50c673d0cc140756d29a26c00a0f073c83e4 100644
--- a/plugins/tensorboard-plugins/tb_graph_ascend/fe/src/tf_graph_controls/components/tf_color_select/index.ts
+++ b/plugins/tensorboard-plugins/tb_graph_ascend/fe/src/tf_graph_controls/components/tf_color_select/index.ts
@@ -174,7 +174,9 @@ class Legend extends LegacyElementMixin(DarkModeMixin(PolymerElement)) {
               <template is="dom-if" if="[[_filterSetting]]">
                 <div class="toolbar">
                   <div style="font-size: 15px">精度溢出</div>
-                  <vaadin-icon icon="vaadin:exchange" on-click="_selectedTabChanged"></vaadin-icon>
+                  <template is="dom-if" if="[[hiddenTabChanged]]">
+                    <vaadin-icon icon="vaadin:exchange" on-click="_selectedTabChanged"></vaadin-icon>
+                  </template>
                 </div>
               </template>
               <template is="dom-if" if="[[!_filterSetting]]">
@@ -438,7 +440,10 @@ class Legend extends LegacyElementMixin(DarkModeMixin(PolymerElement)) {
       }
       this.colorSetChanged = colorsets;
     } else {
-      return;
+      // 隐藏切换至精度溢出，隐藏精度筛选
+      this.set('_filterSetting', true);
+      // 隐藏切换按钮
+      this.set('hiddenTabChanged', false);
     }
   }
 
diff --git a/plugins/tensorboard-plugins/tb_graph_ascend/server/plugin.py b/plugins/tensorboard-plugins/tb_graph_ascend/server/plugin.py
index aea5b10913eea67d3900a3e47a779b3039d6f9fa..1b65fec85ab4c10266a5dc31ee2bd4d96677f76f 100644
--- a/plugins/tensorboard-plugins/tb_graph_ascend/server/plugin.py
+++ b/plugins/tensorboard-plugins/tb_graph_ascend/server/plugin.py
@@ -369,6 +369,9 @@ class GraphsPlugin(base_plugin.TBPlugin):
             response_data['Colors'] = json_data.get('Colors', {})
         if 'OverflowCheck' in json_data:
             response_data['OverflowCheck'] = json_data.get('OverflowCheck', {})
+        else:
+            # 适配老数据
+            response_data['OverflowCheck'] = True
         return http_util.Respond(request, response_data, "application/json")
 
     # 设置新的精度误差颜色