Error while extracting response for type [class cn.htwlgs.ygt.cloud.gateway.feign.UserFeign$Result] and content type [application/json;charset=UTF-8]; nested exception is org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot construct instance of `cn.htwlgs.ygt.cloud.gateway.feign.Employee` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('Validation failed for classes [cn.htwlgs.ygt.wljk.ygt.persistence.entity.EmployeeWeChat] during persist time for groups [javax.validation.groups.Default, ]↵List of constraint violations:[↵ ConstraintViolationImpl{interpolatedMessage='must not be blank', propertyPath=openId, rootBeanClass=class cn.htwlgs.ygt.wljk.ygt.persistence.entity.EmployeeWeChat, messageTemplate='{javax.validation.constraints.NotBlank.message}'}↵]'); nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `cn.htwlgs.ygt.cloud.gateway.feign.Employee` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('Validation failed for classes [cn.htwlgs.ygt.wljk.ygt.persistence.entity.EmployeeWeChat] during persist time for groups [javax.validation.groups.Default, ]↵List of constraint violations:[↵ ConstraintViolationImpl{interpolatedMessage='must not be blank', propertyPath=openId, rootBeanClass=class cn.htwlgs.ygt.wljk.ygt.persistence.entity.EmployeeWeChat, messageTemplate='{javax.validation.constraints.NotBlank.message}'}↵]')↵ at [Source: (PushbackInputStream); line: 1, column: 23] (through reference chain: cn.htwlgs.ygt.cloud.gateway.feign.UserFeign$Result["data"])