diff --git a/app.py b/app.py
index 0980cf9f..ec33fc87 100755
--- a/app.py
+++ b/app.py
@@ -7819,7 +7819,7 @@ def get_index_realtime(index_code):
         })
 
     except Exception as e:
-        logger.error(f"获取指数实时行情失败: {index_code}, 错误: {str(e)}")
+        app.logger.error(f"获取指数实时行情失败: {index_code}, 错误: {str(e)}")
         return jsonify({
             'success': False,
             'error': str(e),
@@ -12589,7 +12589,7 @@ def get_hotspot_overview():
                             'is_v2': True,
                         })
             except Exception as v2_err:
-                logger.debug(f"V2 表查询失败，使用旧表: {v2_err}")
+                app.logger.debug(f"V2 表查询失败，使用旧表: {v2_err}")
 
             # Fallback: 查询旧表
             if not use_v2:
@@ -12642,11 +12642,12 @@ def get_hotspot_overview():
                             'is_v2': False,
                         })
                 except Exception as old_err:
-                    logger.debug(f"旧表查询也失败: {old_err}")
+                    app.logger.debug(f"旧表查询也失败: {old_err}")
 
         # 尝试批量获取概念名称
         if alerts:
             concept_ids = list(set(a['concept_id'] for a in alerts))
+            concept_names = {}  # 初始化 concept_names 字典
             try:
                 from elasticsearch import Elasticsearch
                 es_client = Elasticsearch(["http://222.128.1.157:19200"])
@@ -12663,7 +12664,7 @@ def get_hotspot_overview():
                     if alert['concept_id'] in concept_names:
                         alert['concept_name'] = concept_names[alert['concept_id']]
             except Exception as e:
-                logger.warning(f"获取概念名称失败: {e}")
+                app.logger.warning(f"获取概念名称失败: {e}")
 
         # 计算统计信息
         day_high = max([d['price'] for d in index_timeline if d['price']], default=None)
@@ -12701,7 +12702,7 @@ def get_hotspot_overview():
     except Exception as e:
         import traceback
         error_trace = traceback.format_exc()
-        logger.error(f"获取热点概览数据失败: {error_trace}")
+        app.logger.error(f"获取热点概览数据失败: {error_trace}")
         return jsonify({
             'success': False,
             'error': str(e),
@@ -12805,7 +12806,7 @@ def get_concept_alerts():
 
     except Exception as e:
         import traceback
-        logger.error(f"获取概念异动列表失败: {traceback.format_exc()}")
+        app.logger.error(f"获取概念异动列表失败: {traceback.format_exc()}")
         return jsonify({
             'success': False,
             'error': str(e)