diff --git a/pywxdump/analyzer/export_chat.py b/pywxdump/analyzer/export_chat.py
index a4bc5b2..bffb001 100644
--- a/pywxdump/analyzer/export_chat.py
+++ b/pywxdump/analyzer/export_chat.py
@@ -229,6 +229,7 @@ def export_csv(username, outpath, MSG_ALL_db_path, page_size=5000):
         start_index = i
         data = get_msg_list(MSG_ALL_db_path, username, start_index, page_size)
         if len(data) == 0:
+            return False, "没有聊天记录"
             break
         save_path = os.path.join(outpath, f"{username}_{i}_{i + page_size}.csv")
         with open(save_path, "w", encoding="utf-8") as f:
diff --git a/pywxdump/cli.py b/pywxdump/cli.py
index d2e35cf..a6c978d 100644
--- a/pywxdump/cli.py
+++ b/pywxdump/cli.py
@@ -287,11 +287,9 @@ class MainExportChatRecords():
         sb_decrypt.add_argument("-media", "--media_path", type=str, help="解密后的 MediaMSG.db 的路径", required=True,
                                 metavar="")
         sb_decrypt.add_argument("-fs", "--filestorage_path", type=str,
-                                help="(可选)文件夹FileStorage的路径（用于显示图片）", required=False,
-                                metavar="")
+                                help="(可选)文件夹FileStorage的路径（用于显示图片）", required=False, metavar="")
         sb_decrypt.add_argument("-t", "--type", type=str, help="导出类型(可选:html,csv)", required=False,
-                                default="html",
-                                metavar="")
+                                default="html", metavar="")
         return sb_decrypt
 
     def run(self, args):