时间戳最大值

application/common/model/Guild.php

@@ -43,7 +43,7 @@ class Guild extends Model
                 "role" => 2,
                 "sign_type" => 3,
                 "status" => 1,
-                "sign_time" => 4070880000,
+                "sign_time" => 2147483647,
                 "createtime" => time()
             ];
             $res2 = \app\common\model\GuildMember::insert($data);