diff --git a/platform/elmapi/callback.go b/platform/elmapi/callback.go
index 41c0ee43..10f70769 100644
--- a/platform/elmapi/callback.go
+++ b/platform/elmapi/callback.go
@@ -49,6 +49,7 @@ func (e *ELMAPI) unmarshalData(data []byte, msg interface{}) (callbackResponse *
 func (e *ELMAPI) CheckRequestValidation(mapData map[string]interface{}) (callbackResponse *ELMCallbackResponse) {
 	sign := e.signParamsMap(mapData, "")
 	if sign != mapData[signKey].(string) {
+		e.sugarLogger.Infof("Signature is not ok, mine:%v, get:%v", sign, mapData[signKey].(string))
 		return &ELMCallbackResponse{Message: "signature is invalid"}
 	}
 	return nil
diff --git a/platform/elmapi/elmapi.go b/platform/elmapi/elmapi.go
index ce370425..289ef5da 100644
--- a/platform/elmapi/elmapi.go
+++ b/platform/elmapi/elmapi.go
@@ -153,7 +153,7 @@ func (e *ELMAPI) AccessELM(action string, params map[string]interface{}) (retVal
 		} else if errCode == "SERVER_ERROR" || errCode == "BIZ_SYSTEM_ERROR" || errCode == "BIZ_1006" || errCode == "BUSINESS_ERROR" {
 			return common.PAErrorLevelRecoverable, nil
 		} else {
-			return errCode, nil
+			return common.PAErrorLevelGeneralFail, utils.NewErrorCode(errinfoMap["message"].(string), errCode)
 		}
 	})
 
diff --git a/platform/jdapi/callback.go b/platform/jdapi/callback.go
index 90ac857c..8ca51bdd 100644
--- a/platform/jdapi/callback.go
+++ b/platform/jdapi/callback.go
@@ -66,6 +66,7 @@ func (j *JDAPI) CheckRequestValidation(request *http.Request) (callbackResponse
 
 	sign := j.signParams(mapData)
 	if sign != request.FormValue(signKey) {
+		j.sugarLogger.Infof("Signature is not ok, mine:%v, get:%v", sign, request.FormValue(signKey))
 		return &JDCallbackResponse{
 			Code: JDerrorCodeInvalidSign,
 			Msg:  "signature is invalid",
diff --git a/platform/jdapi/jdapi.go b/platform/jdapi/jdapi.go
index 1e27e47d..72659fa4 100644
--- a/platform/jdapi/jdapi.go
+++ b/platform/jdapi/jdapi.go
@@ -190,7 +190,7 @@ func (j *JDAPI) AccessJDQuery(apiStr string, jdParams map[string]string) (retVal
 		} else if _, ok := canRetryCodes[code]; ok {
 			return common.PAErrorLevelRecoverable, nil
 		} else {
-			return code, nil
+			return common.PAErrorLevelGeneralFail, utils.NewErrorCode(jsonResult1["msg"].(string), code)
 		}
 
 	})
diff --git a/platform/mtpsapi/callback.go b/platform/mtpsapi/callback.go
index 0b376289..55cce614 100644
--- a/platform/mtpsapi/callback.go
+++ b/platform/mtpsapi/callback.go
@@ -42,10 +42,12 @@ func (m *MTPSAPI) CheckRequestValidation(request *http.Request) (callbackRespons
 	request.ParseForm()
 	sign := m.signParams(request.PostForm)
 	if sign != request.FormValue(signKey) {
+		m.sugarLogger.Infof("Signature is not ok, mine:%v, get:%v", sign, request.FormValue(signKey))
 		return SignatureIsNotOk
 	}
 
 	for _, valueKey := range []string{"delivery_id", "mt_peisong_id", "order_id"} {
+		m.sugarLogger.Errorf("Missing mandatory param:%v", valueKey)
 		if request.FormValue(valueKey) == "" {
 			return &MtpsCallbackResponse{
 				Code: -1,