diff --git a/business/views.py b/business/views.py
index ff4fd77..4690a9c 100644
--- a/business/views.py
+++ b/business/views.py
@@ -18,6 +18,63 @@ from django.db.models import Count, Q
 from django.db import transaction
 import os
 
+def normalize_match_reason(reason_str):
+    """
+    将多条重复语义的冲突原因归纳为简洁、易读的一条或几条说明。
+    例如：委托人姓名匹配；相对方与委托人姓名匹配；相对方姓名匹配；委托人与相对方姓名匹配
+    归纳为：委托人姓名与历史记录一致；相对方姓名与历史记录一致
+    """
+    if not reason_str or reason_str.strip() == '匹配':
+        return reason_str.strip() or '匹配'
+    parts = [p.strip() for p in reason_str.split('；') if p.strip()]
+    # 按类型归纳，避免重复表述
+    has_client_name = any(
+        '委托人姓名匹配' in p or '相对方与委托人姓名匹配' in p for p in parts
+    )
+    has_client_info = any(
+        '委托人信息匹配' in p or '相对方与委托人信息匹配' in p for p in parts
+    )
+    has_client_id = any('委托人身份证号匹配' in p for p in parts)
+    has_party_name = any(
+        '相对方姓名匹配' in p or '委托人与相对方姓名匹配' in p for p in parts
+    )
+    has_party_info = any(
+        '相对方信息匹配' in p or '委托人与相对方信息匹配' in p for p in parts
+    )
+    has_party_id = any('相对方身份证号匹配' in p for p in parts)
+    # 立项表：相对方与委托人身份证号匹配 等
+    has_party_client_id = any(
+        '相对方与委托人身份证号匹配' in p or '委托人与相对方身份证号匹配' in p for p in parts
+    )
+    undertaker_parts = [p for p in parts if '承办人员匹配' in p or '承办人' in p]
+    responsible_parts = [p for p in parts if '负责人匹配' in p]
+    # 招标单位相关（投标表）
+    bid_parts = [
+        p for p in parts
+        if '招标单位' in p or '在招标单位中' in p or '在招标单位' in p
+    ]
+    result = []
+    if has_client_name:
+        result.append('委托人姓名与历史记录一致')
+    if has_client_info:
+        result.append('委托人信息与历史记录一致')
+    if has_client_id:
+        result.append('委托人身份证号与历史记录一致')
+    if has_party_name:
+        result.append('相对方姓名与历史记录一致')
+    if has_party_info:
+        result.append('相对方信息与历史记录一致')
+    if has_party_id:
+        result.append('相对方身份证号与历史记录一致')
+    # 立项表：委托人身份证在相对方字段/相对方身份证在委托人字段出现时
+    if has_party_client_id and not (has_client_id or has_party_id):
+        result.append('委托人或相对方身份证号与历史记录一致')
+    result.extend(undertaker_parts)
+    result.extend(responsible_parts)
+    result.extend(bid_parts)
+    return '；'.join(result) if result else '匹配'
+
+
 def get_user_team_name(username):
     if not username:
         return None
@@ -4412,7 +4469,7 @@ def conflict_search(client_info=None, party_info=None, undertaker=None, bidding_
                 'party_username': pf.party_username,
                 'description': pf.description,
                 'Undertaker': pf.Undertaker,
-                'match_reason': '；'.join(match_reason) if match_reason else '匹配'
+                'match_reason': normalize_match_reason('；'.join(match_reason) if match_reason else '匹配')
             })
     
     result['prefiling_conflicts'] = matched_prefilings
@@ -4517,7 +4574,7 @@ def conflict_search(client_info=None, party_info=None, undertaker=None, bidding_
                 'party_info': pro.party_info,
                 'description': pro.description,
                 'responsiblefor': pro.responsiblefor,
-                'match_reason': '；'.join(match_reason) if match_reason else '匹配'
+                'match_reason': normalize_match_reason('；'.join(match_reason) if match_reason else '匹配')
             })
     
     result['project_conflicts'] = project_list
@@ -4570,7 +4627,7 @@ def conflict_search(client_info=None, party_info=None, undertaker=None, bidding_
                 'times': bid.times,
                 'BiddingUnit': bid.BiddingUnit,
                 'state': bid.state,
-                'match_reason': '；'.join(match_reason) if match_reason else '匹配'
+                'match_reason': normalize_match_reason('；'.join(match_reason) if match_reason else '匹配')
             })
     
     result['bid_conflicts'] = bid_list