save project

log.py

@@ -24,7 +24,10 @@ class log:
         for i in self.log:
             return_r = return_r + i
             return_r = return_r + sep
-        return return_r[0:len(return_r)-len(sep)]
+        try:
+            return return_r[0:len(return_r)-len(sep)]
+        except:
+            return ""
 
 if __name__ == "__main__":
     print('log 1.0.0\nHello from the log community.')
\ No newline at end of file

snake.py

@@ -18,6 +18,8 @@ food = pg.image.load("apple.png")
 win_log.att_log("素材创建","成功")
 
 print(win_log.all_logvul())
+win_log.cutall_log()
+print(win_log.all_logvul())
 
 while True:
     for event in pg.event.get():