db,server: release config after init

coolq/cqcode.go

@@ -928,8 +928,6 @@ func (bot *CQBot) ToElement(t string, d map[string]string, sourceType message.So
 			if !lawful {
 				return nil, errors.New("audio type error: " + mt)
 			}
-		}
-		if !global.IsAMRorSILK(data) {
 			data, err = global.EncoderSilk(data)
 			if err != nil {
 				return nil, err

db/multidb.go

@@ -45,6 +45,7 @@ func Open() error {
 			return errors.Wrap(err, "open backend error")
 		}
 	}
+	base.Database = nil
 	return nil
 }
 

modules/servers/servers.go

@@ -43,4 +43,5 @@ func Run(bot *coolq.CQBot) {
 	for _, fn := range nocfgsvr {
 		go fn(bot)
 	}
+	base.Servers = nil
 }