diff --git a/patch.Make.go b/patch.Make.go
index 7a061f1..0920fdf 100644
--- a/patch.Make.go
+++ b/patch.Make.go
@@ -102,11 +102,12 @@ func (pset *Patchs) makePatchSetNew(repo *gitpb.Repo) error {
 		return nil
 	}
 
-	return pset.addPatchFiles(repo.GetGoPath())
+	return pset.addPatchFiles(repo)
 }
 
 // process each file in pDir/
-func (p *Patchs) addPatchFiles(psetDir string) error {
+func (p *Patchs) addPatchFiles(repo *gitpb.Repo) error {
+	psetDir := repo.GetGoPath()
 	tmpDir := p.TmpDir
 	log.Info("ADD PATCH FILES ADDED DIR", tmpDir)
 	fullDir := filepath.Join(tmpDir, psetDir)
@@ -135,6 +136,7 @@ func (p *Patchs) addPatchFiles(psetDir string) error {
 		patch := new(Patch)
 		patch.Filename, _ = filepath.Rel(p.TmpDir, path)
 		patch.Data = data
+		patch.StartHash = repo.DevelHash()
 		p.Patchs = append(p.Patchs, patch)
 		log.Info("ADDED PATCH FILE", path)
 		return nil
diff --git a/patch.proto b/patch.proto
index 2e463b5..4c8de21 100644
--- a/patch.proto
+++ b/patch.proto
@@ -10,7 +10,9 @@ message Patch {
   string repoPath       		= 3; // path to the git repo
   string branchName     		= 4; //
   string branchHash     		= 5; //
-  google.protobuf.Timestamp ctime       = 7; // the git commit timestamp of the version
+  google.protobuf.Timestamp ctime       = 7; // the git commit timestamp of this patch
+  string commitHash     		= 8; // the git commit hash of this patch
+  string startHash         		= 9; // the start commit hash
 }
 
 message Patchs {			// `autogenpb:marshal`