src/main/java/com/wh/management/support/Result.java
/**
     * it's err, return a common msg, it present that reason is unknown.
     *
     * @return
     */
it's err, return a common msg, it present that reason is unknown.
@return
it ' s err return a common msg it present that reason is unknown . @return
public static  Result<?> err() {
        return Result.builder()
                .code(Result.ERR)
                .msg(Result.FAILED).build();
    }
public static Result < ? > err ( ) { return Result . builder ( ) . code ( Result . ERR ) . msg ( Result . FAILED ) . build ( ) ; }
it's err, return a common msg, it present that reason is unknown.
it ' s err return a common msg it present that reason is unknown .