diff --git a/src/main.py b/src/main.py
index a1d3c9b..595564b 100644
--- a/src/main.py
+++ b/src/main.py
@@ -87,7 +87,11 @@ def api_print_sms():
         flash(e)
         redirect(url_for('index'))
 
-    flash(web.print_sms(txt,sign))
+    try:
+        web.print_sms(txt,sign)
+    except Exception as e:
+        pass
+        
     return redirect(url_for('index'))
 
 @app.route('/api/print/image', methods=['POST'])