diff --git a/api/models/__pycache__/poster.cpython-312.pyc b/api/models/__pycache__/poster.cpython-312.pyc
index d70dcff..a1f538f 100644
Binary files a/api/models/__pycache__/poster.cpython-312.pyc and b/api/models/__pycache__/poster.cpython-312.pyc differ
diff --git a/api/models/poster.py b/api/models/poster.py
index cc19ceb..c955e02 100644
--- a/api/models/poster.py
+++ b/api/models/poster.py
@@ -16,9 +16,9 @@ class PosterGenerateRequest(BaseModel):
     templateId: str = Field("vibrant", description="模板ID")
     imagesBase64: Optional[str] = Field(None, description="图像base64编码")
     posterContent: Optional[Dict[str, Any]] = Field(None, description="海报内容，如果提供则直接使用此内容")
-    contentId: Optional[int] = Field(None, description="内容ID，用于AI生成内容")
-    productId: Optional[int] = Field(None, description="产品ID，用于AI生成内容")
-    scenicSpotId: Optional[int] = Field(None, description="景区ID，用于AI生成内容")
+    contentId: Optional[str] = Field(None, description="内容ID，用于AI生成内容")
+    productId: Optional[str] = Field(None, description="产品ID，用于AI生成内容")
+    scenicSpotId: Optional[str] = Field(None, description="景区ID，用于AI生成内容")
     numVariations: int = Field(3, description="要生成的海报变体数量, 默认为3", ge=1, le=5)
     forceLlmGeneration: bool = Field(False, description="是否强制使用LLM重新生成内容")
     generatePsd: bool = Field(False, description="是否生成PSD分层文件")
@@ -33,9 +33,9 @@ class PosterGenerateRequest(BaseModel):
                 "forceLlmGeneration":False,
                 "generatePsd": True,
                 "psdOutputPath": "custom_poster.psd",
-                "contentId":1,
-                "productId":1,
-                "scenicSpotId":1,
+                "contentId":"1",
+                "productId":"1",
+                "scenicSpotId":"1",
                 "posterContent":{
                     "title":"天津冒险湾",
                     "slogan":"天津冒险湾，让你体验不一样的冒险之旅"
diff --git a/api/services/__pycache__/poster.cpython-312.pyc b/api/services/__pycache__/poster.cpython-312.pyc
index 764275f..d966d66 100644
Binary files a/api/services/__pycache__/poster.cpython-312.pyc and b/api/services/__pycache__/poster.cpython-312.pyc differ
diff --git a/api/services/poster.py b/api/services/poster.py
index 18b5ac6..f04b3af 100644
--- a/api/services/poster.py
+++ b/api/services/poster.py
@@ -339,8 +339,8 @@ class PosterService:
         except Exception as e:
             logger.warning(f"更新模板统计失败: {e}")
     
-    async def _generate_content_with_llm(self, template_id: str, content_id: Optional[int],
-                                     product_id: Optional[int], scenic_spot_id: Optional[int]) -> Optional[Dict[str, Any]]:
+    async def _generate_content_with_llm(self, template_id: str, content_id: Optional[str],
+                                     product_id: Optional[str], scenic_spot_id: Optional[str]) -> Optional[Dict[str, Any]]:
         """使用LLM生成海报内容"""
         # 获取提示词 - 直接从数据库模板信息中获取
         template_info = self._templates.get(template_id, {})
@@ -354,14 +354,40 @@ class PosterService:
             
         logger.info(f"成功加载模板 {template_id} 的提示词配置")
         
-        # 获取相关数据
+        # 获取相关数据 - 将字符串ID转换为整数
         data = {}
+        
+        def safe_int_convert(id_str: Optional[str]) -> Optional[int]:
+            """安全将字符串ID转换为整数"""
+            if not id_str:
+                return None
+            try:
+                # 如果ID包含非数字字符，只提取数字部分或返回None
+                if id_str.isdigit():
+                    return int(id_str)
+                else:
+                    # 对于类似 "generated_note_1753693091224_0" 的ID，提取数字部分
+                    import re
+                    numbers = re.findall(r'\d+', id_str)
+                    if numbers:
+                        return int(numbers[0])  # 使用第一个数字序列
+                    return None
+            except (ValueError, TypeError):
+                logger.warning(f"无法转换ID为整数: {id_str}")
+                return None
+        
         if content_id:
-            data['content'] = self.db_service.get_content_by_id(content_id)
+            content_id_int = safe_int_convert(content_id)
+            if content_id_int:
+                data['content'] = self.db_service.get_content_by_id(content_id_int)
         if product_id:
-            data['product'] = self.db_service.get_product_by_id(product_id)
+            product_id_int = safe_int_convert(product_id)
+            if product_id_int:
+                data['product'] = self.db_service.get_product_by_id(product_id_int)
         if scenic_spot_id:
-            data['scenic_spot'] = self.db_service.get_scenic_spot_by_id(scenic_spot_id)
+            scenic_spot_id_int = safe_int_convert(scenic_spot_id)
+            if scenic_spot_id_int:
+                data['scenic_spot'] = self.db_service.get_scenic_spot_by_id(scenic_spot_id_int)
         
         logger.info(f"获取到的数据: content={data.get('content') is not None}, product={data.get('product') is not None}, scenic_spot={data.get('scenic_spot') is not None}")