diff --git a/server/apps/exam/serializers.py b/server/apps/exam/serializers.py
index 9bce0ac..03dc455 100644
--- a/server/apps/exam/serializers.py
+++ b/server/apps/exam/serializers.py
@@ -87,10 +87,12 @@ class ExamListSerializer(ModelSerializer):
     paper_ = PaperSerializer(source='paper', read_only=True)
     course_ = CourseSerializer(source='course_name', read_only=True)
     user_count = serializers.SerializerMethodField()
+    submit_count = serializers.SerializerMethodField()
     class Meta:
         model = Exam
         fields = '__all__'
-    
+        
+    #参与考试的 数量
     def get_user_count(self, obj):
        total_user_count = 0
        for p in obj.participant_dep.all():
@@ -98,6 +100,12 @@ class ExamListSerializer(ModelSerializer):
            total_user_count += user_count
        return total_user_count+obj.participant_user.count()
     
+    # 已经提交的数量
+    def get_submit_count(self, obj):
+        exam = ExamRecord.objects.select_related('exam').filter(exam=obj, is_submited=True)
+        submit_user = len(set([i.create_by for i in exam]))
+        return submit_user
+    
 
 class ExamDetailSerializer(ModelSerializer):
     create_by_name = CharField(source='create_by.name', read_only=True)
diff --git a/server/server/settings_dev.py b/server/server/settings_dev.py
index e589130..368e8ec 100644
--- a/server/server/settings_dev.py
+++ b/server/server/settings_dev.py
@@ -10,32 +10,23 @@ DATABASES = {
          'PORT': '5432',
      },
 #    'default': {
-#         'ENGINE': 'django.db.backends.postgresql',
-#         'NAME': 'cma',
-#         'USER': 'cma',
-#         'PASSWORD': 'cma123',
-#         'HOST': '172.16.80.102',
-#         # 'HOST': '1.203.161.102',
-#         'PORT': '5432',
-#     }
+    #     'ENGINE': 'django.db.backends.postgresql',
+    #     'NAME': 'cma',
+    #     'USER': 'cma',
+    #     'PASSWORD': 'cma123',
+    #     'HOST': '172.16.80.102',
+    #     # 'HOST': '1.203.161.102',
+    #     'PORT': '5432',
+    # }
     #    'default': {
     #     'ENGINE': 'django.db.backends.postgresql',
     #     'NAME': 'cma',
     #     'USER': 'cma',
     #     'PASSWORD': 'cma123',
-    #     #'HOST': '49.232.14.174',
-    #      'HOST': '127.0.0.1',
+    #     'HOST': '172.16.80.102',
+    #     #  'HOST': '127.0.0.1',
     #     'PORT': '5432',
     # }
-    #     'default': {
-    #      'ENGINE': 'django.db.backends.postgresql',
-    #      'NAME': 'cma',
-    #      'USER': 'cma',
-    #      'PASSWORD': 'cma123',
-    #      'HOST': '127.0.0.1',
-    #      # 'HOST': '1.203.161.102',
-    #      'PORT': '5432',
-    #  }
 
 
 }