diff --git a/app/utils.py b/app/utils.py
index 9eefb24..2bb7f0b 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -312,21 +312,29 @@ def get_all_emails(count=50):
     :return: 邮件列表
     """
     try:
-        # 1. 获取所有时间索引键，因为时间索引包含了所有邮件
+        # 1. 获取所有时间索引键
         time_keys = redis_client.keys('time:*')
-        time_keys.sort(reverse=True)  # 按时间倒序排序
-        time_keys = time_keys[:count]  # 限制数量
+        logger.debug(f"Found {len(time_keys)} time keys")
+        
+        time_keys.sort(reverse=True)
+        time_keys = time_keys[:count]
+        logger.debug(f"Using {len(time_keys)} most recent time keys")
         
         emails = []
         for time_key in time_keys:
             # 2. 从时间索引获取邮件键
+            logger.debug(f"Processing time key: {time_key}")
             email_key = redis_client.get(time_key)
             if not email_key:
+                logger.warning(f"No email key found for time key: {time_key}")
                 continue
+            
+            logger.debug(f"Found email key: {email_key}")
                 
             # 3. 获取邮件数据
             email_data = redis_client.hgetall(email_key)
             if email_data:
+                logger.debug(f"Found email data with {len(email_data)} fields")
                 # 4. 转换字节数据为字符串
                 email = {k.decode(): v.decode() for k, v in email_data.items()}
                 # 5. 解析 JSON 字符串字段
@@ -334,12 +342,16 @@ def get_all_emails(count=50):
                     if field in email:
                         try:
                             email[field] = json.loads(email[field])
-                        except:
-                            pass
+                            logger.debug(f"Successfully parsed {field} field")
+                        except Exception as e:
+                            logger.warning(f"Failed to parse {field} field: {str(e)}")
                 emails.append(email)
+            else:
+                logger.warning(f"No email data found for key: {email_key}")
         
+        logger.info(f"Successfully retrieved {len(emails)} emails")
         return emails
         
     except Exception as e:
-        logger.error(f"Error getting all emails: {str(e)}")
+        logger.error(f"Error getting all emails: {str(e)}", exc_info=True)
         return [] 
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