优化loading

src/views/device/add.vue

@@ -235,13 +235,13 @@ async function submitHandle() {
     }
     Loading.value = true;
     await printerAdd(form.value, form.value.id ? "put" : "post");
-    Loading.value = false;
     ElMessage.success(form.value.id ? "编辑成功" : "添加成功");
     printStore.init();
     router.back();
   } catch (error) {
     console.log(error);
   }
+  Loading.value = false;
 }
 
 // 查询打印机详情