diff --git a/analyzer.py b/analyzer.py
index 8e204a8..f483274 100644
--- a/analyzer.py
+++ b/analyzer.py
@@ -34,6 +34,17 @@ class ImageAnalyzer:
             self.api_key = config_mgr.get('vision_api_key')
             self.model = config_mgr.get('vision_model')
             
+            # 检查配置
+            if not self.api_url:
+                return {'success': False, 'error': 'Vision API URL 未配置'}
+            if not self.api_key:
+                return {'success': False, 'error': 'Vision API Key 未配置'}
+            if not self.model:
+                return {'success': False, 'error': 'Vision Model 未配置'}
+            
+            print(f"[Analyzer] Analyzing: {image_path}")
+            print(f"[Analyzer] API: {self.api_url}, Model: {self.model}")
+            
             # 编码图片
             image_base64 = self.encode_image(image_path)
             
@@ -73,7 +84,10 @@ class ImageAnalyzer:
                 timeout=30
             )
             
+            print(f"[Analyzer] Response status: {response.status_code}")
+            
             if response.status_code != 200:
+                print(f"[Analyzer] Error response: {response.text}")
                 return {
                     'success': False,
                     'error': f"API 错误: {response.status_code} - {response.text}"
diff --git a/scheduler.py b/scheduler.py
index 07dab85..ec9b589 100644
--- a/scheduler.py
+++ b/scheduler.py
@@ -152,24 +152,27 @@ class VisionScheduler:
     
     def analyze_now(self, image_id):
         """立即分析指定图片"""
-        image = db.get_image_by_id(image_id)
-        if not image:
-            return {'success': False, 'error': '图片不存在'}
-        
-        result = self.analyzer.analyze(image['path'])
-        
-        if result['success']:
-            for event in result['events']:
-                db.add_event(
-                    image_id,
-                    event['event_type'],
-                    event['description'],
-                    event['confidence']
-                )
-            db.mark_image_analyzed(image_id)
-            self.last_analyze_time = datetime.datetime.now().isoformat()
-        
-        return result
+        try:
+            image = db.get_image_by_id(image_id)
+            if not image:
+                return {'success': False, 'error': '图片不存在'}
+            
+            result = self.analyzer.analyze(image['path'])
+            
+            if result['success']:
+                for event in result['events']:
+                    db.add_event(
+                        image_id,
+                        event['event_type'],
+                        event['description'],
+                        event['confidence']
+                    )
+                db.mark_image_analyzed(image_id)
+                self.last_analyze_time = datetime.datetime.now().isoformat()
+            
+            return result
+        except Exception as e:
+            return {'success': False, 'error': str(e)}
     
     def analyze_unanalyzed(self):
         """分析所有未分析的图片"""