diff --git a/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java b/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
index 34e1c49..9e06ddb 100644
--- a/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
+++ b/src/main/java/com/sztzjy/financial_bigdata/controller/tea/UserController.java
@@ -166,6 +166,16 @@ public class UserController {
     }
 
 
+
+    @PostMapping("/getClassNameByClassId")
+    @ApiOperation("根据班级ID返回班级名称")
+    public ResultEntity<String> getClassNameByClassId( @RequestParam String classId) {
+        StuClass stuClass = classMapper.selectByPrimaryKey(classId);
+        return new ResultEntity<>(stuClass.getClassName());
+    }
+
+
+
     @PostMapping("/setLoginDuration")
     @ApiOperation("登录日志--设置登录时长退出时调用")
     public void setLoginDuration(@ApiParam("登录返回的日志ID") @RequestParam String logID) {