进行了完整的视图拆分，同步了 merchant_ops 的修改

backend/views/exams.py

@@ -188,57 +188,73 @@ class KhgglView(APIView):
             end = start + page_size
             shenheguan_list = queryset.order_by('-CreateTime')[start:end]
 
+            from collections import defaultdict
             from jituan.services.shenhe_club import yonghu_chenghao_qs_for_request
 
-            # ---------- 预计算每个板块的打手数量 ----------
-            bankuai_dashou_count_map = {}
-            all_banquai = Bankuai.query.all()
-            for bk in all_banquai:
-                tag_ids = Chenghao.query.filter(bankuai=bk, leixing='dashou').values_list('id', flat=True)
-                count = yonghu_chenghao_qs_for_request(
-                    YonghuChenghao.query.filter(
-                        chenghao_id__in=tag_ids,
-                        yonghu__DashouProfile__isnull=False,
-                    ),
-                    request,
-                ).values('yonghu').distinct().count()
-                bankuai_dashou_count_map[bk.bankuai_id] = count
+            # ---------- 优化：板块打手数量（1 次 annotate 替代 2N 次循环查询）----------
+            # 原逻辑：每板块查 dashou 标签 ID，再统计关联的不同用户数（要求有 DashouProfile）
+            bankuai_dashou_qs = yonghu_chenghao_qs_for_request(
+                YonghuChenghao.query.filter(
+                    chenghao__leixing='dashou',
+                    yonghu__DashouProfile__isnull=False,
+                ),
+                request,
+            )
+            bankuai_dashou_count_map = {
+                item['chenghao__bankuai_id']: item['user_count']
+                for item in bankuai_dashou_qs.values('chenghao__bankuai_id').annotate(
+                    user_count=Count('yonghu', distinct=True)
+                )
+            }
 
-            # ---------- 新增：板块标签统计 ----------
-            bankuai_tags_data = []
-            for bk in all_banquai:
-                tags = Chenghao.query.filter(bankuai=bk, leixing='dashou')
-                tag_list = []
-                for tag in tags:
-                    user_count = yonghu_chenghao_qs_for_request(
-                        YonghuChenghao.query.filter(chenghao=tag),
-                        request,
-                    ).values('yonghu').distinct().count()
-                    tag_list.append({
-                        'id': tag.id,
-                        'name': tag.mingcheng,
-                        'user_count': user_count,
-                    })
-                bankuai_tags_data.append({
+            # ---------- 优化：板块标签统计（1 次 annotate 替代 N*M 次循环查询）----------
+            # 原逻辑：每板块每标签分别统计关联的不同用户数（不要求 DashouProfile）
+            tag_counts_qs = yonghu_chenghao_qs_for_request(
+                YonghuChenghao.query.filter(chenghao__leixing='dashou'),
+                request,
+            ).values(
+                'chenghao_id', 'chenghao__bankuai_id', 'chenghao__mingcheng'
+            ).annotate(user_count=Count('yonghu', distinct=True))
+
+            tags_by_bankuai = defaultdict(list)
+            for item in tag_counts_qs:
+                tags_by_bankuai[item['chenghao__bankuai_id']].append({
+                    'id': item['chenghao_id'],
+                    'name': item['chenghao__mingcheng'],
+                    'user_count': item['user_count'],
+                })
+
+            all_banquai = Bankuai.query.all()
+            bankuai_tags_data = [
+                {
                     'bankuai_id': bk.bankuai_id,
                     'mingcheng': bk.mingcheng,
-                    'tags': tag_list,
-                })
+                    'tags': tags_by_bankuai.get(bk.bankuai_id, []),
+                }
+                for bk in all_banquai
+            ]
+
+            # ---------- 优化：审核官板块关联（1 次批量查询替代 P 次循环查询）----------
+            shenheguan_user_uids = [sg.user.UserUID for sg in shenheguan_list]
+            all_kgs = KaoheguanBankuai.query.filter(
+                kaoheguan_id__in=shenheguan_user_uids
+            ).select_related('bankuai')
+            kg_map = defaultdict(list)
+            for kg in all_kgs:
+                kg_map[kg.kaoheguan_id].append(kg)
 
             # 构造返回数据（审核官列表）
             data_list = []
             for sg in shenheguan_list:
                 user = sg.user
-                # 获取该审核官关联的板块
-                bk_qs = KaoheguanBankuai.query.filter(kaoheguan_id=user.UserUID).select_related('bankuai')
-                bankuai_info = []
-                for bk in bk_qs:
-                    bid = bk.bankuai.bankuai_id
-                    bankuai_info.append({
-                        'bankuai_id': bid,
-                        'mingcheng': bk.bankuai.mingcheng,
-                        'dashou_count': bankuai_dashou_count_map.get(bid, 0)
-                    })
+                bankuai_info = [
+                    {
+                        'bankuai_id': kg.bankuai.bankuai_id,
+                        'mingcheng': kg.bankuai.mingcheng,
+                        'dashou_count': bankuai_dashou_count_map.get(kg.bankuai.bankuai_id, 0),
+                    }
+                    for kg in kg_map.get(user.UserUID, [])
+                ]
 
                 dashou_nick = user.DashouProfile.nicheng if hasattr(user, 'DashouProfile') and user.DashouProfile else ''