diff --git a/global/config/config.go b/global/config/config.go
index d85e9ad..164b3bc 100644
--- a/global/config/config.go
+++ b/global/config/config.go
@@ -175,6 +175,7 @@ func Get() *Config {
 		global.SetAtDefault(&config.Account.ReLogin.Delay, uint(toInt64(os.Getenv("GCQ_RELOGIN_DELAY"))), uint(0))
 		global.SetAtDefault(&config.Account.ReLogin.MaxTimes, uint(toInt64(os.Getenv("GCQ_RELOGIN_MAX_TIMES"))), uint(0))
 		dbConf := &LevelDBConfig{Enable: global.EnsureBool(os.Getenv("GCQ_LEVELDB"), true)}
+		config.Database = make(map[string]yaml.Node)
 		config.Database["leveldb"] = func() yaml.Node {
 			n := &yaml.Node{}
 			_ = n.Encode(dbConf)