IM登录失败

IM登录时而成功，时而失败，errlog：

"[profile][portrait_set]failed: 

 request url: 

********************************

 request body: 

{“From_Account”:“user_1548140517852_57”,“ProfileItem”:[{“Tag”:“Tag_Profile_IM_Nick”}]}

 response: 

{“ActionStatus”:“FAIL”,“ErrorCode”:40610,“ErrorInfo”:“Err_Profile_PortraitSet_Invalid_ValueType:Tag_Profile_IM_Nick”,“ErrorDisplay”:“”}"