diff --git a/fir_ser/api/views/supersign.py b/fir_ser/api/views/supersign.py
index c561cd7..4609899 100644
--- a/fir_ser/api/views/supersign.py
+++ b/fir_ser/api/views/supersign.py
@@ -435,7 +435,7 @@ class DeviceUsedRankInfoView(APIView):
         if end_time and start_time:
             try:
                 start_time = datetime.date.fromtimestamp(int(start_time) / 1000)
-                end_time = datetime.date.fromtimestamp(int(end_time) / 1000 + 24 * 60 * 60 - 1)
+                end_time = datetime.date.fromtimestamp(int(end_time) / 1000) + datetime.timedelta(days=1)
                 app_used_sign_objs = app_used_sign_objs.filter(created_time__range=[start_time, end_time])
             except Exception as e:
                 logger.error(f"get time range failed {e}")
diff --git a/fir_ser/fir_ser/settings.py b/fir_ser/fir_ser/settings.py
index 83f86c9..aae44a9 100644
--- a/fir_ser/fir_ser/settings.py
+++ b/fir_ser/fir_ser/settings.py
@@ -305,7 +305,7 @@ LOGGING = {
     },
     'handlers': {
         'console': {
-            'level': 'INFO',
+            'level': 'DEBUG',
             'filters': ['require_debug_true'],  # 只有在Django debug为True时才在屏幕打印日志
             'class': 'logging.StreamHandler',
             'formatter': 'simple'
@@ -347,6 +347,15 @@ LOGGING = {
             'formatter': 'standard',
             'encoding': 'utf-8',
         },
+        'sql': {
+            'level': 'DEBUG',
+            'class': 'logging.handlers.RotatingFileHandler',  # 保存到文件，自动切
+            'filename': os.path.join(BASE_LOG_DIR, "flyapp_sql.log"),  # 日志文件
+            'maxBytes': 1024 * 1024 * 5,  # 日志大小 50M
+            'backupCount': 10,
+            'formatter': 'standard',
+            'encoding': 'utf-8',
+        },
     },
     'loggers': {
         '': {  # 默认的logger应用如下配置
@@ -359,6 +368,11 @@ LOGGING = {
             'level': 'DEBUG',
             'propagate': True,
         },
+        'django.db.backends': {
+            'handlers': ['console', 'sql'],
+            'propagate': True,
+            'level': 'DEBUG',
+        },
     },
 }