进一步优化，添加空值处理

app.py

@@ -38,31 +38,39 @@ def analyze():
         phish_category, pred_target, matched_domain, \
             plotvis, siamese_conf, pred_boxes, \
             logo_recog_time, logo_match_time = phishpedia_cls.test_orig_phishpedia(url, screenshot_path, None)
-
+
+        # 添加结果处理逻辑
+        result = {
+            "isPhishing": bool(phish_category),
+            "brand": pred_target if pred_target else "unknown",
+            "legitUrl": f"https://{matched_domain[0]}" if matched_domain else "unknown",
+            "confidence": float(siamese_conf) if siamese_conf is not None else 0.0
+        }
+
+        # 记录日志
         today = datetime.now().strftime('%Y%m%d')
         log_file_path = os.path.join(log_dir, f'{today}_results.txt')
 
         try:
             with open(log_file_path, "a+", encoding='ISO-8859-1') as f:
-                result_file_write(f, current_dir, url, phish_category, pred_target, matched_domain, siamese_conf,
-                                  logo_recog_time, logo_match_time)
+                result_file_write(f, current_dir, url, phish_category, pred_target, 
+                                matched_domain if matched_domain else ["unknown"], 
+                                siamese_conf if siamese_conf is not None else 0.0,
+                                logo_recog_time, logo_match_time)
         except UnicodeError:
             with open(log_file_path, "a+", encoding='utf-8') as f:
-                result_file_write(f, current_dir, url, phish_category, pred_target, matched_domain, siamese_conf,
-                                  logo_recog_time, logo_match_time)
-        # 目前返回示例数据
-        result = {
-            "isPhishing": bool(phish_category),
-            "brand": pred_target,
-            "legitUrl": "https://" + matched_domain[0],
-            "confidence": float(siamese_conf)
-        }
+                result_file_write(f, current_dir, url, phish_category, pred_target, 
+                                matched_domain if matched_domain else ["unknown"], 
+                                siamese_conf if siamese_conf is not None else 0.0,
+                                logo_recog_time, logo_match_time)
+
         if os.path.exists(screenshot_path):
             os.remove(screenshot_path)
+
         return jsonify(result)
 
     except Exception as e:
-        print(e)
+        print(f"Error in analyze: {str(e)}")
         log_error_path = os.path.join(log_dir, 'log_error.txt')
         with open(log_error_path, "a+", encoding='utf-8') as f:
             f.write(f'{datetime.now().strftime("%Y-%m-%d %H:%M:%S")} - {str(e)}\n')