1.增加网络判断刷新页面，防止没网无法连接ws

2.商品增加上下架、售罄、修改库存登操作

src/components/leftMenu.vue

@@ -1,10 +1,10 @@
 <template>
     <div class="left_menu_wrap">
-        <div class="item" :class="{ online: socketStore.online }" @click="connectWsHandle">
+        <div class="item first" :class="{ online: socketStore.online }" @click="connectWsHandle">
             <el-icon class="icon">
                 <Monitor />
             </el-icon>
-            <el-text :type="socketStore.online ? 'success' : ''">
+            <el-text :type="socketStore.online ? 'success' : 'danger'">
                 <template v-if="socketStore.online">
                     在线
                 </template>
@@ -106,7 +106,7 @@ function openCall() {
 // 手动重新连接ws
 function connectWsHandle() {
     if (socketStore.online) return
-    window.onload()
+    location.reload()
 }
 
 defineExpose({