diff --git a/README.md b/README.md
index 0ebca96..6b12bc0 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ phone = "135xxxxxxxx"
 json配置方式
 
 ```json
-  "ACFUN": [
+  "ACFUN" : [
     {
       "password": "Sitoi",
       "phone": "18888xxxxxx"
diff --git a/utils.py b/utils.py
index a507ac1..de7ed2b 100644
--- a/utils.py
+++ b/utils.py
@@ -200,46 +200,28 @@ class check(object):
         return wrapper
 
 
-@check(run_script_name="随机定时", run_script_expression="QL_RANDOM_TIME", Configuration_flag=True)
-def change_db():
+def change_cron(cron_file_path="/ql/db/crontab.db",repositories="yuxian158_check"):
+    def change_time(time_str: str):
+        words = re.sub("\\s+", " ", time_str).split()
+        words[0] = str(random.randrange(60))
+        words[1] = str(random.randrange(22))
+        return " ".join(words)
+
+    time_str = time.strftime("%Y-%m-%d", time.localtime())
+    os.system(f"cp /ql/db/crontab.db /ql/db/crontab.db.{time_str}.back")
     lines = []
-    first = True
-    with open("/ql/db/crontab.db", "r", encoding="UTF-8") as f:
+    with open(cron_file_path, "r" ,encoding="UTF-8") as f:
         for i in f.readlines():
-            if (
-                    i.find("yuxian158_check_master") != -1
-                    and i.find("ran_time") == -1
-            ):
+            # print(record.get("command"))
+            if i.find(repositories) != -1:
                 record = json.loads(i)
-                if record.get("isDisabled") == 0:
-                    if (
-                            i.find("motto") != -1
-                            or i.find("leetcode") != -1
-                            or i.find("weather") != -1
-                            or i.find("news") != -1
-                    ):
-                        record["schedule"] = change_time(record["schedule"], True)
-                    else:
-                        record["schedule"] = change_time(record["schedule"], first)
-                if first:
-                    first = False
+                record["schedule"] = change_time(record["schedule"])
                 lines.append(json.dumps(record, ensure_ascii=False) + "\n")
-            else:
-                lines.append(i)
+            else:lines.append(i)
 
-    time_str = time.strftime("%Y-%m-%d", time.localtime())
-    os.system(f"copy /ql/db/crontab.db /ql/db/crontab.db.{time_str}.back")
-
-    with open("/ql/db/crontab.db", "w", encoding="UTF-8") as f:
+    with open(cron_file_path, "w", encoding="UTF-8") as f:
         f.writelines(lines)
 
 
-def change_time(time_str: str, first: bool):
-    words = re.sub("\\s+", " ", time_str).split()
-    if first:
-        words[0] = str(random.randrange(0, 60, step=5))
-        words[1] = str(random.randrange(8, 9))
-    else:
-        words[0] = str(random.randrange(60))
-        words[1] = str(random.randrange(22))
-    return " ".join(words)
+if __name__ == "__main__":
+    change_cron()