修改接线图展示页面

src/components/mt-preview/index.vue

@@ -4,6 +4,11 @@
         v-loading="useData.loading"
         element-loading-background="#343849c7"
         :style="{ backgroundColor: useData.display ? '' : canvas_cfg.color }"
+        @mousedown="onMouseDown"
+        @mousemove="onMouseMove"
+        @mouseup="onMouseUp"
+        @mouseleave="onMouseUp"
+        @wheel="onMouseWheel"
     >
         <el-button type="primary" class="backBtn" @click="onBack" v-if="!useData.display">返回</el-button>
         <!-- 缩放控制按钮 (默认注释，需要时可开启) -->
@@ -18,11 +23,6 @@
             ref="canvasAreaRef"
             :class="`canvasArea ${isDragging ? 'cursor-grabbing' : mtPreviewProps.canDrag ? 'cursor-grab' : ''} `"
             style=""
-            @mousedown="onMouseDown"
-            @mousemove="onMouseMove"
-            @mouseup="onMouseUp"
-            @mouseleave="onMouseUp"
-            @wheel="onMouseWheel"
             :style="canvasStyle"
         >
             <render-core