diff --git a/requirements.txt b/requirements.txt
index 95daf43..9d67dfc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,5 @@ tqdm>=4.65.0
 python-dateutil>=2.8.0
 schedule
 akshare
-TA-Lib
\ No newline at end of file
+TA-Lib
+tabulate
\ No newline at end of file
diff --git a/signal_calc.py b/signal_calc.py
index 3b028a8..5751539 100644
--- a/signal_calc.py
+++ b/signal_calc.py
@@ -9,7 +9,7 @@ import time
 import traceback
 from dingtalk import DingTalkBot
 import talib as ta
-
+from tabulate import tabulate
 env = "online"
 # env = "on"
 db_config = DatabaseConfig(env=env)
@@ -53,6 +53,9 @@ def get_index_recent_date(code: str, limit: int = None) -> pd.DataFrame:
 
 
 def main():
+    if datetime.today().weekday() >= 5:
+        logger.info(f"非交易日")
+        return
     webhook = "https://oapi.dingtalk.com/robot/send?access_token=fb70c1561d8beba94b4f11568f4bb15e3ae07ccbdc8ac19676434a9d1cd17546"  # 填写你的webhook
     secret = "SEC1ae7cd2f1a6f9da3611af37da3e7d954c1e8533fc073c6c8cc5e5af3b6e5926b"  # 填写你的加签token（如果有），否则留空
     dingtalk = DingTalkBot(webhook, secret)
@@ -98,9 +101,10 @@ def main():
             )
             # break
     signal_df = pd.DataFrame(signal_list)
-    dingtalk.send_markdown(
-        f"CCI信号", signal_df.to_markdown(tablefmt="simple", index=False)
-    )
+    # dingtalk.send_markdown(
+    #     f"CCI信号", signal_df.to_markdown(tablefmt="simple", index=False)
+    # )
+    dingtalk.send_text(tabulate(signal_df, tablefmt='plain', headers="keys", showindex=False))
 
 
 if __name__ == "__main__":