fix:

seecoder-portal-server/src/main/java/cn/seecoder/seecoderportalserver/serviceImpl/ExamServiceImpl.java

@@ -236,15 +236,15 @@ public class ExamServiceImpl implements ExamService {
 
     @Override
     public JSONArray findEvalStudentExamsByCourseId(int courseId) {
-        return evalService.findTeacherExamsByCourseId(courseId).getJSONArray("result");
+        return evalService.findStudentExamsByCourseId(courseId).getJSONArray("result");
     }
 
     @Override
     public JSONArray findEvalTeacherExamsByCourseId(int courseId) {
-        return evalService.findStudentExamsByCourseId(courseId).getJSONArray("result");
+        return evalService.findTeacherExamsByCourseId(courseId).getJSONArray("result");
     }
 
-    // private
+
     private JSONObject groupCoderExamsByCourse(JSONArray exams) {
         JSONObject groupedExams = new JSONObject();
         JSONObject result = new JSONObject();