优化二维码显示
diff --git a/supwisdom/sp_display.c b/supwisdom/sp_display.c
index 38b21b7..d4fda4f 100644
--- a/supwisdom/sp_display.c
+++ b/supwisdom/sp_display.c
@@ -79,6 +79,8 @@
 
   show_title();
   show_code_bottom(pos);
+  snprintf(line_buff,sizeof line_buff,"%s               ","ÇëɨÂë>>");
+  gb2312_16_draw_str(0, GLCD_CONTENT_Y_ONE, line_buff);
   if(MEMCMP(qrcode_url,last_qrcode_url,(int)strlen(qrcode_url)) != 0)
   {
     sprintf(last_qrcode_url,"%s",qrcode_url);