增加 null判断

xufenglei

2018-07-31 6b9938b5faf4a1b66f1c8886adc402d42bd447c1

 src/main/java/com/moral/security/model/token/RefreshToken.java

@@ -30,7 +30,6 @@
     * @param signingKey
     * 
     * @throws BadCredentialsException
     * @throws JwtExpiredTokenException
     * 
     * @return
     */