diff --git a/src/pages/canvas.vue b/src/pages/canvas.vue
index 82b4a8c..b897ca8 100644
--- a/src/pages/canvas.vue
+++ b/src/pages/canvas.vue
@@ -19,7 +19,8 @@ export default {
     }
   },
   mounted () {
-    this.reFresh()
+    this._queryDevice()
+    // this.reFresh()
   },
   beforeDestroy () {
     if (this.timer) {
diff --git a/src/pages/index.vue b/src/pages/index.vue
index 0c39b53..e7b9066 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -113,8 +113,8 @@
                 <el-option
                   v-for="item in options4"
                   :key="item.task_id"
-                  :label="item.task_id"
-                  :value="item.task_name">
+                  :label="item.task_name"
+                  :value="item.task_id">
                 </el-option>
               </el-select>
             </div>