diff --git a/common/constants/dfget_super_code.go b/common/constants/dfget_super_code.go
index b59c3fc75..870045b4a 100644
--- a/common/constants/dfget_super_code.go
+++ b/common/constants/dfget_super_code.go
@@ -72,6 +72,8 @@ const (
 	CodeNeedAuth        = 608
 	CodeWaitAuth        = 609
 	CodeSourceError     = 610
+	CodeGetPieceReport  = 611
+	CodeGetPeerDown     = 612
 )
 
 /* the code of task result that dfget will report to supernode */
diff --git a/dfget/core/api/supernode_api.go b/dfget/core/api/supernode_api.go
index 674e1bb40..06ea32a57 100644
--- a/dfget/core/api/supernode_api.go
+++ b/dfget/core/api/supernode_api.go
@@ -21,8 +21,11 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/dragonflyoss/Dragonfly/common/constants"
 	"github.com/dragonflyoss/Dragonfly/common/util"
 	"github.com/dragonflyoss/Dragonfly/dfget/types"
+
+	"github.com/sirupsen/logrus"
 )
 
 /* the url paths of supernode APIs*/
@@ -77,7 +80,9 @@ func (api *supernodeAPI) Register(node string, req *types.RegisterRequest) (
 		return nil, fmt.Errorf("%d:%s", code, body)
 	}
 	resp = new(types.RegisterResponse)
-	e = json.Unmarshal(body, resp)
+	if e = json.Unmarshal(body, resp); e != nil {
+		return nil, e
+	}
 	return resp, e
 }
 
@@ -90,7 +95,9 @@ func (api *supernodeAPI) PullPieceTask(node string, req *types.PullPieceTaskRequ
 		api.Scheme, node, peerPullPieceTaskPath, util.ParseQuery(req))
 
 	resp = new(types.PullPieceTaskResponse)
-	e = api.get(url, resp)
+	if e = api.get(url, resp); e != nil {
+		return nil, e
+	}
 	return
 }
 
@@ -100,9 +107,14 @@ func (api *supernodeAPI) ReportPiece(node string, req *types.ReportPieceRequest)
 
 	url := fmt.Sprintf("%s://%s%s?%s",
 		api.Scheme, node, peerReportPiecePath, util.ParseQuery(req))
-
 	resp = new(types.BaseResponse)
-	e = api.get(url, resp)
+	if e = api.get(url, resp); e != nil {
+		logrus.Errorf("failed to report piece{taskid:%s,range:%s},err: %v", req.TaskID, req.PieceRange, e)
+		return nil, e
+	}
+	if resp != nil && resp.Code != constants.CodeGetPieceReport {
+		logrus.Errorf("failed to report piece{taskid:%s,range:%s} to supernode: api response code is %d not equal to %d", req.TaskID, req.PieceRange, resp.Code, constants.CodeGetPieceReport)
+	}
 	return
 }
 
@@ -114,7 +126,13 @@ func (api *supernodeAPI) ServiceDown(node string, taskID string, cid string) (
 		api.Scheme, node, peerServiceDownPath, taskID, cid)
 
 	resp = new(types.BaseResponse)
-	e = api.get(url, resp)
+	if e = api.get(url, resp); e != nil {
+		logrus.Errorf("failed to send service down,err: %v", e)
+		return nil, e
+	}
+	if resp != nil && resp.Code != constants.CodeGetPeerDown {
+		logrus.Errorf("failed to send service down to supernode: api response code is %d not equal to %d", resp.Code, constants.CodeGetPeerDown)
+	}
 	return
 }
 
diff --git a/dfget/core/api/supernode_api_test.go b/dfget/core/api/supernode_api_test.go
index 1de6fb6ec..5f476541e 100644
--- a/dfget/core/api/supernode_api_test.go
+++ b/dfget/core/api/supernode_api_test.go
@@ -100,9 +100,12 @@ func (s *SupernodeAPITestSuite) TestSupernodeAPI_PullPieceTask(c *check.C) {
 
 func (s *SupernodeAPITestSuite) TestSupernodeAPI_ReportPiece(c *check.C) {
 	ip := "127.0.0.1"
-
+	req := &types.ReportPieceRequest{
+		TaskID:     "sssss",
+		PieceRange: "0-11",
+	}
 	s.mock.GetFunc = s.mock.CreateGetFunc(200, []byte(`{"Code":700}`), nil)
-	r, e := s.api.ReportPiece(ip, nil)
+	r, e := s.api.ReportPiece(ip, req)
 	c.Check(e, check.IsNil)
 	c.Check(r.Code, check.Equals, 700)
 }
diff --git a/supernode/server/0.3_bridge.go b/supernode/server/0.3_bridge.go
index a99556631..c95dc3e5b 100644
--- a/supernode/server/0.3_bridge.go
+++ b/supernode/server/0.3_bridge.go
@@ -200,8 +200,9 @@ func (s *Server) reportPiece(ctx context.Context, rw http.ResponseWriter, req *h
 		return err
 	}
 
-	rw.WriteHeader(http.StatusOK)
-	return nil
+	return EncodeResponse(rw, http.StatusOK, &types.ResultInfo{
+		Code: constants.CodeGetPieceReport,
+	})
 }
 
 func (s *Server) reportServiceDown(ctx context.Context, rw http.ResponseWriter, req *http.Request) (err error) {
@@ -230,6 +231,7 @@ func (s *Server) reportServiceDown(ctx context.Context, rw http.ResponseWriter,
 		return err
 	}
 
-	rw.WriteHeader(http.StatusOK)
-	return nil
+	return EncodeResponse(rw, http.StatusOK, &types.ResultInfo{
+		Code: constants.CodeGetPeerDown,
+	})
 }