修改sql执行工具

src/views/home/navMenu.vue

@@ -516,7 +516,7 @@ export default {
           }
           }
         })
         })
         if (res.code === 200) {
         if (res.code === 200) {
-          this.msg_list = res.data
+          this.msg_list = res.data || []
           this.$message.success(res.message)
           this.$message.success(res.message)
         } else {
         } else {
           this.msg_content = res.msg
           this.msg_content = res.msg