diff --git a/middleware/student.go b/middleware/student.go
index 0e7f8f6..63cd90b 100644
--- a/middleware/student.go
+++ b/middleware/student.go
@@ -16,7 +16,7 @@ import (
 func GetUserInfo(redisClient *redis.Storage) fiber.Handler {
 	return func(c *fiber.Ctx) error {
 		//  获取POST 请求参数
-		nationalId := c.Params("nationalId")
+		nationalId := c.FormValue("nationalId")
 		if nationalId == "" {
 			return c.Status(http.StatusUnauthorized).JSON(fiber.Map{
 				"message": "获取信息失败,身份证不能为空",