1.修改学生导入时没有设置默认的政治面貌，2.修改H5学生取消预约时报错的问题

src/main/java/com/template/api/WelcomeVisitorControllerAPI.java

@@ -37,7 +37,7 @@ public interface WelcomeVisitorControllerAPI {
     @ApiOperation(value = "获取当前用户访客记录")
     CommonResult<WelcomeVisitorVO> getByCurUser(@RequestAttribute String studentCard);
 
-    @DeleteMapping
+    @GetMapping("/delete")
     @ApiOperation(value = "删除当前用户的访客记录")
     CommonResult deleteByCurUser(@RequestAttribute String studentCard);