- refactor platform apis.

platform/common/common.go

@@ -32,6 +32,11 @@ var (
 	ErrBusinessCode           = errors.New("Business code is not ok")
 )
 
+var (
+	CBErrMsgUnescape  = "can not unescape data:%v, data:%v"
+	CBErrMsgUnmarshal = "can not unmarshal data:%v, data:%v"
+)
+
 func AccessPlatformAPIWithRetry(params *AccessPlatformAPIWithRetryParams, handleResponse func(response *http.Response) (int, error)) error {
 	exceedLimitRetryCount := 0
 	recoverableErrorRetryCount := 0