Update dialog.vue

src/pages/main/performance/components/dialog.vue

@@ -16,7 +16,7 @@
     <div slot="footer">
       <slot name="footer">
         <el-button @click="handleCancel" size="small">取消</el-button>
-        <el-button @click="handleConfirm" type="primary" size="small" :disabled="this.BtnDisabled"
+        <el-button @click="handleConfirm" type="primary" size="small" :disabled="BtnDisabled"
           >确定</el-button
         >
       </slot>