gin中状态码，http.StatusOK=200,请求成功

HTTP 200 OK成功状态响应码指示请求已成功

		c.JSON(200, gin.H{
			"data": gin.H{
				"captchId":    captchId,
				"verifyValue": verifyValue,
			},
			"meta": gin.H{
				"msg":  "验证码验证失败,前端提交的空请求(字符串前后空格)",
				"code": 400,
			},
		})