diff --git a/business/views.py b/business/views.py
index 3ed3b99..e804b0d 100644
--- a/business/views.py
+++ b/business/views.py
@@ -49,6 +49,110 @@ def get_team_name_from_responsiblefor(responsiblefor):
     return None
 
 
+def search_related_records(client_info, party_info, exclude_project_id=None):
+    """
+    根据委托人和相对方信息检索预立案、投标、立项三个表的相关记录
+    
+    Args:
+        client_info: 委托人身份信息（字符串）
+        party_info: 相对方身份信息（字符串）
+        exclude_project_id: 要排除的立项ID（可选，用于排除当前正在创建的记录）
+    
+    Returns:
+        str: 检索到的相关记录信息，用于添加到待办内容中
+    """
+    related_info_parts = []
+    
+    if not client_info and not party_info:
+        return ""
+    
+    # 从client_info和party_info中提取姓名/名称（简单提取，假设第一个逗号前的部分或整个字符串）
+    # 这里使用包含匹配（icontains）来查找
+    client_name = client_info.strip() if client_info else ""
+    party_name = party_info.strip() if party_info else ""
+    
+    # 提取可能的姓名（取逗号、空格、换行符前的部分，或整个字符串的前50个字符）
+    if client_name:
+        # 尝试提取姓名（去除身份证号、统一社会信用代码等）
+        client_match = re.match(r'^[^，,\n\r\t\d]{1,50}', client_name)
+        if client_match:
+            client_name = client_match.group(0).strip()
+    
+    if party_name:
+        party_match = re.match(r'^[^，,\n\r\t\d]{1,50}', party_name)
+        if party_match:
+            party_name = party_match.group(0).strip()
+    
+    # 检索预立案表
+    if client_name or party_name:
+        prefiling_records = PreFiling.objects.filter(is_deleted=False)
+        if client_name:
+            prefiling_records = prefiling_records.filter(
+                Q(client_username__icontains=client_name) | 
+                Q(party_username__icontains=client_name)
+            )
+        if party_name:
+            prefiling_records = prefiling_records.filter(
+                Q(client_username__icontains=party_name) | 
+                Q(party_username__icontains=party_name)
+            )
+        
+        prefiling_list = list(prefiling_records[:10].values('id', 'times', 'client_username', 'party_username', 'description'))
+        if prefiling_list:
+            related_info_parts.append(f"预立案记录：{len(prefiling_list)}条（ID：{','.join([str(r['id']) for r in prefiling_list[:5]])}{'...' if len(prefiling_list) > 5 else ''}）")
+    
+    # 检索立项表（排除当前正在创建的记录）
+    if client_info or party_info:
+        project_records = ProjectRegistration.objects.filter(is_deleted=False)
+        if exclude_project_id:
+            project_records = project_records.exclude(id=exclude_project_id)
+        if client_info:
+            project_records = project_records.filter(
+                Q(client_info__icontains=client_info[:50]) | 
+                Q(party_info__icontains=client_info[:50])
+            )
+        if party_info:
+            project_records = project_records.filter(
+                Q(client_info__icontains=party_info[:50]) | 
+                Q(party_info__icontains=party_info[:50])
+            )
+        
+        # 获取项目列表（最多10条）
+        project_list = list(project_records[:10].values('id', 'ContractNo', 'times', 'type'))
+        if project_list:
+            related_info_parts.append(f"立项记录：{len(project_list)}条（合同编号：{','.join([r['ContractNo'] for r in project_list[:3]])}{'...' if len(project_list) > 3 else ''}）")
+    
+    # 检索投标表
+    if client_name or party_name or client_info or party_info:
+        bid_records = Bid.objects.filter(is_deleted=False)
+        search_terms = []
+        if client_name:
+            search_terms.append(client_name)
+        if party_name:
+            search_terms.append(party_name)
+        if client_info and len(client_info) > 0:
+            search_terms.append(client_info[:50])
+        if party_info and len(party_info) > 0:
+            search_terms.append(party_info[:50])
+        
+        if search_terms:
+            bid_q = Q()
+            for term in search_terms[:2]:  # 只使用前两个搜索词
+                bid_q |= Q(BiddingUnit__icontains=term) | Q(ProjectName__icontains=term)
+            
+            if bid_q:
+                bid_records = bid_records.filter(bid_q)
+                bid_list = list(bid_records[:10].values('id', 'ProjectName', 'times', 'BiddingUnit'))
+                if bid_list:
+                    related_info_parts.append(f"投标记录：{len(bid_list)}条（项目：{','.join([r['ProjectName'][:20] if r['ProjectName'] else '' for r in bid_list[:3]])}{'...' if len(bid_list) > 3 else ''}）")
+    
+    # 组合返回
+    if related_info_parts:
+        return "；相关记录：" + "；".join(related_info_parts)
+    
+    return ""
+
+
 def get_change_approvers():
     """获取变更审批人（管委会或行政部）"""
     try:
@@ -404,7 +508,10 @@ class Project(APIView):
         if responsiblefor_dict.get('case_manager_lawyer'):
             responsible_desc += f"，案管律师：{responsiblefor_dict.get('case_manager_lawyer')}"
         
-        content = f"{responsiblefor_dict.get('responsible_person')}在{times}办理立项登记，项目类型：{project_type}，合同编号：{ContractNo}，{responsible_desc}，收费情况：{charge}"
+        # 检索相关记录（预立案、投标、立项）
+        related_records_info = search_related_records(client_info, party_info, exclude_project_id=pro.id)
+        
+        content = f"{responsiblefor_dict.get('responsible_person')}在{times}办理立项登记，项目类型：{project_type}，合同编号：{ContractNo}，{responsible_desc}，收费情况：{charge}{related_records_info}"
         
         approval, approvers_order_json, needs_approval = create_approval_with_team_logic(
             team_name=team_name,