Add stdlog interpreter. (#8691)

mlog/log.go

@@ -119,7 +119,7 @@ func (l *Logger) With(fields ...Field) *Logger {
 }
 
 func (l *Logger) StdLog(fields ...Field) *log.Logger {
-	return zap.NewStdLog(l.With(fields...).zap)
+	return zap.NewStdLog(l.With(fields...).zap.WithOptions(getStdLogOption()))
 }
 
 func (l *Logger) Debug(message string, fields ...Field) {