private Map<String, Object> parseJwtPayload(final String authorization,
                                                final JwtConfig jwtConfig) {
        if (StringUtils.isEmpty(authorization)) {
            return null;
        }
        JwtPayloadParseStrategy payloadParseStrategy = JwtPayloadParseStrategyFactory.newInstance(jwtConfig.getHandleType());
        return payloadParseStrategy.parse(jwtConfig.getSecretKey(), authorization);
    }
parse jwt payload.

@param authorization the authorization after processing
@param jwtConfig     the jwt config
@return Map
shenyu-plugin/shenyu-plugin-security/shenyu-plugin-jwt/src/main/java/org/apache/shenyu/plugin/jwt/JwtPlugin.java