Cannot deserialize instance of `java.lang.Integer` out of START_OBJECT token

访问某接口,参数如下:Cannot deserialize instance of `java.lang.Integer` out of START_OBJECT token
报出Cannot deserialize instance of java.lang.Integer out of START_OBJECT token错误。

后把body的对象也序列化成字符串,成为以下样式:
Cannot deserialize instance of `java.lang.Integer` out of START_OBJECT token
就可以了。