diff --git a/.env b/.env
index b323a91..314be1a 100644
--- a/.env
+++ b/.env
@@ -25,3 +25,11 @@ BRAND_MODEL_DIR=/app/services/brand/model
 BRAND_SERVICE_NAME=brand_classifier
 BRAND_TYPE=brand
 
+
+# ==================== 分类模型 ====================
+CATE_MODEL_ID=circles1/cate
+CATE_MODEL_DIR=/app/services/cate/model
+CATE_SERVICE_NAME=cate_classifier
+CATE_TYPE=cate
+
+
diff --git a/services/unified/app.py b/services/unified/app.py
index 4cba406..ab99e64 100644
--- a/services/unified/app.py
+++ b/services/unified/app.py
@@ -195,10 +195,19 @@ class BasePredictor:
 
     def _format_output(self, label: str, confidence: float) -> Dict:
         """根据模型类型格式化输出"""
+        # 确保所有类型都是 Python 原生类型
+        confidence = float(confidence)
+
+        # 确保 label 是字符串
+        if not isinstance(label, str):
+            if hasattr(label, 'item'):
+                label = str(label.item())
+            else:
+                label = str(label)
+
         result = {"confidence": confidence}
 
         if self.model_type == 'tax':
-            # tax 模型：type_tax 格式
             parts = label.split('_')
             if len(parts) >= 2:
                 result['type'] = parts[0]
@@ -211,7 +220,6 @@ class BasePredictor:
         elif self.model_type == 'brand':
             result['brand'] = label
         else:
-            # 通用模型：直接输出 label
             result['label'] = label
 
         return result