修复log-mode失效的问题

server/config/gorm_mysql.go

@@ -16,3 +16,7 @@ type Mysql struct {
 func (m *Mysql) Dsn() string {
 	return m.Username + ":" + m.Password + "@tcp(" + m.Path + ":" + m.Port + ")/" + m.Dbname + "?" + m.Config
 }
+
+func (m *Mysql) GetLogMode() string {
+	return m.LogMode
+}

server/config/gorm_pgsql.go

@@ -24,3 +24,7 @@ func (p *Pgsql) Dsn() string {
 func (p *Pgsql) LinkDsn(dbname string) string {
 	return "host=" + p.Path + " user=" + p.Username + " password=" + p.Password + " dbname=" + dbname + " port=" + p.Port + " " + p.Config
 }
+
+func (m *Pgsql) GetLogMode() string {
+	return m.LogMode
+}