modify dingding exception

Helius

2021-04-22 1972a71f2cd42f679aee9968c386044e7e98af30

 src/main/java/com/xcong/excoin/modules/contract/parameter/dto/SubmitCloseEntrustDto.java

@@ -31,4 +31,8 @@
    @ApiModelProperty(value = "币种数量", example = "1")
    private int symbolCnt;

    @NotNull
    @ApiModelProperty(value = "币种", example = "BTC/USDT")
    private String symbol;

}