diff --git a/models/webhook.go b/models/webhook.go
index 4545fd0e1..34a2da13a 100644
--- a/models/webhook.go
+++ b/models/webhook.go
@@ -130,6 +130,7 @@ const (
 	MSTEAMS  HookType = "msteams"
 	FEISHU   HookType = "feishu"
 	MATRIX   HookType = "matrix"
+	JIANMU   HookType = "jianmu"
 )
 
 // HookStatus is the status of a web hook
diff --git a/modules/git/repo_compare.go b/modules/git/repo_compare.go
index 3255e6839..32fdbc97e 100644
--- a/modules/git/repo_compare.go
+++ b/modules/git/repo_compare.go
@@ -217,6 +217,11 @@ func (repo *Repository) GetDiff(base, head string, w io.Writer) error {
 		RunInDirPipeline(repo.Path, w, nil)
 }
 
+func (repo *Repository) GetDiffStringByFilePath(base, head, filepath string) (string, error) {
+	return NewCommand("diff", "-p", base, head, "--", filepath).
+		RunInDir(repo.Path)
+}
+
 // GetPatch generates and returns format-patch data between given revisions.
 func (repo *Repository) GetPatch(base, head string, w io.Writer) error {
 	stderr := new(bytes.Buffer)
diff --git a/modules/repofiles/file.go b/modules/repofiles/file.go
index 7581552a4..0313d0430 100644
--- a/modules/repofiles/file.go
+++ b/modules/repofiles/file.go
@@ -24,6 +24,9 @@ func GetBatchFileResponseFromCommit(repo *models.Repository, commit *git.Commit,
 	}
 	for _, treeName := range treeNames {
 		fileContent, _ := GetContents(repo, treeName, branch, false)
+		if fileContent == nil {
+			continue
+		}
 		batchFileResponse.Contents = append(batchFileResponse.Contents, fileContent)
 	}
 
diff --git a/modules/structs/hook.go b/modules/structs/hook.go
index b985575ae..0d3818593 100644
--- a/modules/structs/hook.go
+++ b/modules/structs/hook.go
@@ -58,7 +58,7 @@ type CreateHookOptionConfig map[string]string
 // CreateHookOption options when create a hook
 type CreateHookOption struct {
 	// required: true
-	// enum: dingtalk,discord,gitea,gogs,msteams,slack,telegram,feishu
+	// enum: dingtalk,discord,gitea,gogs,msteams,slack,telegram,feishu,jianmu
 	Type string `json:"type" binding:"Required"`
 	// required: true
 	Config       CreateHookOptionConfig `json:"config" binding:"Required"`
diff --git a/routers/api/v1/repo/file.go b/routers/api/v1/repo/file.go
index 301ab5a0a..bb7fe4666 100644
--- a/routers/api/v1/repo/file.go
+++ b/routers/api/v1/repo/file.go
@@ -761,8 +761,23 @@ func GetReadmeContents(ctx *context.APIContext) {
 
 	// treePath := ctx.Params("*")
 	ref := ctx.QueryTrim("ref")
+	var readmePath string
+	filesListInterface, _ := repofiles.GetContentsOrList(ctx, ctx.Repo.Repository, "", ref)
+	filesList, ok := filesListInterface.([]*api.ContentsResponse)
+	if ok {
+		for _, file := range filesList {
+			if strings.ToLower(file.Name) == "readme.md" {
+				readmePath = file.Name
+			}
+			if readmePath != "" {
+				break
+			}
+		}
+	} else {
+		readmePath = "README.md"
+	}
 
-	if fileList, err := repofiles.GetContentsOrList(ctx, ctx.Repo.Repository, "README.md", ref); err != nil {
+	if fileList, err := repofiles.GetContentsOrList(ctx, ctx.Repo.Repository, readmePath, ref); err != nil {
 		if git.IsErrNotExist(err) {
 			ctx.NotFound("GetContentsOrList", err)
 			return
@@ -816,7 +831,22 @@ func GetReadmeContentsByPath(ctx *context.APIContext) {
 
 	treePath := ctx.Params("*")
 	ref := ctx.QueryTrim("ref")
-	newTreePath := treePath + "/" + "README.md"
+	var readmePath string
+	filesListInterface, _ := repofiles.GetContentsOrList(ctx, ctx.Repo.Repository, treePath, ref)
+	filesList, ok := filesListInterface.([]*api.ContentsResponse)
+	if ok {
+		for _, file := range filesList {
+			if strings.ToLower(file.Name) == "readme.md" {
+				readmePath = file.Name
+			}
+			if readmePath != "" {
+				break
+			}
+		}
+	} else {
+		readmePath = "README.md"
+	}
+	newTreePath := treePath + "/" + readmePath
 	if fileList, err := repofiles.GetContentsOrList(ctx, ctx.Repo.Repository, newTreePath, ref); err != nil {
 		if git.IsErrNotExist(err) {
 			ctx.NotFound("GetContentsOrList", err)
diff --git a/routers/api/v1/repo/pull_version.go b/routers/api/v1/repo/pull_version.go
index bfe0083ff..8f0e9e21b 100644
--- a/routers/api/v1/repo/pull_version.go
+++ b/routers/api/v1/repo/pull_version.go
@@ -3,6 +3,7 @@ package repo
 import (
 	"fmt"
 	"net/http"
+	"strings"
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/context"
@@ -157,11 +158,39 @@ func GetPullRequestVersionDiff(ctx *context.APIContext) {
 		var targetDiffFile *gitdiff.DiffFile
 		for _, file := range diffs.Files {
 			if file.Name == filepath {
+				if diffString, err := ctx.Repo.GitRepo.GetDiffStringByFilePath(prv.BaseCommitID, prv.HeadCommitID, file.Name); err == nil {
+					stringArray := strings.Split(diffString, "\n")
+					for i, item := range stringArray {
+						switch {
+						case strings.HasPrefix(item, "diff --git"):
+							stringArray[i] = ""
+						case strings.HasPrefix(item, "index"):
+							stringArray[i] = ""
+						case strings.HasPrefix(item, "---"):
+							stringArray[i] = ""
+						case strings.HasPrefix(item, "+++"):
+							stringArray[i] = ""
+						case strings.HasPrefix(item, "new file mode"):
+							stringArray[i] = ""
+						case strings.HasPrefix(item, "deleted file mode"):
+							stringArray[i] = ""
+						case strings.HasSuffix(item, "No newline at end of file"):
+							stringArray[i] = ""
+						default:
+							continue
+						}
+					}
+					file.Diff = strings.Join(stringArray, "\n")
+				}
 				targetDiffFile = file
 				break
 			}
 		}
-		ctx.JSON(http.StatusOK, targetDiffFile)
+		if targetDiffFile == nil {
+			ctx.NotFound()
+		} else {
+			ctx.JSON(http.StatusOK, targetDiffFile)
+		}
 	}
 
 }
diff --git a/routers/api/v1/repo/wiki.go b/routers/api/v1/repo/wiki.go
index 1d8e3b3b1..ef4bab5c1 100644
--- a/routers/api/v1/repo/wiki.go
+++ b/routers/api/v1/repo/wiki.go
@@ -326,7 +326,12 @@ func ListWikiPages(ctx *context.APIContext) {
 			continue
 		}
 		if entry.IsRegular() {
-			c, err := wikiRepo.GetCommitByPath(fmt.Sprintf("%s/%s", filePath, entry.Name()))
+			var commit *git.Commit
+			if filePath == "" {
+				commit, err = wikiRepo.GetCommitByPath(entry.Name())
+			} else {
+				commit, err = wikiRepo.GetCommitByPath(fmt.Sprintf("%s/%s", filePath, entry.Name()))
+			}
 			if err != nil {
 				ctx.Error(http.StatusInternalServerError, "GetCommit", err)
 				return
@@ -339,15 +344,20 @@ func ListWikiPages(ctx *context.APIContext) {
 				ctx.Error(http.StatusInternalServerError, "WikiFilenameToName", err)
 				return
 			}
-			lists = append(lists, convert.RegularToWikiPageMetaData(wikiName, c, ctx.Repo.Repository))
+			lists = append(lists, convert.RegularToWikiPageMetaData(wikiName, commit, ctx.Repo.Repository))
 		}
 		if entry.IsDir() {
-			c, err := wikiRepo.GetCommitByPath(fmt.Sprintf("%s/%s", filePath, entry.Name()))
+			var commit *git.Commit
+			if filePath == "" {
+				commit, err = wikiRepo.GetCommitByPath(entry.Name())
+			} else {
+				commit, err = wikiRepo.GetCommitByPath(fmt.Sprintf("%s/%s", filePath, entry.Name()))
+			}
 			if err != nil {
 				ctx.Error(http.StatusInternalServerError, "GetCommit", err)
 				return
 			}
-			lists = append(lists, convert.DirToWikiPageMetaData(entry.Name(), c, ctx.Repo.Repository))
+			lists = append(lists, convert.DirToWikiPageMetaData(entry.Name(), commit, ctx.Repo.Repository))
 		}
 
 	}
diff --git a/services/gitdiff/gitdiff.go b/services/gitdiff/gitdiff.go
index 687259efa..0abfee5bb 100644
--- a/services/gitdiff/gitdiff.go
+++ b/services/gitdiff/gitdiff.go
@@ -593,6 +593,7 @@ type DiffFile struct {
 	IsIncomplete            bool
 	IsIncompleteLineTooLong bool
 	IsProtected             bool
+	Diff                    string
 }
 
 // GetType returns type of diff file.
diff --git a/services/webhook/webhook.go b/services/webhook/webhook.go
index d094a7754..ff9e8711b 100644
--- a/services/webhook/webhook.go
+++ b/services/webhook/webhook.go
@@ -65,6 +65,12 @@ func IsValidHookTaskType(name string) bool {
 	if name == models.GITEA || name == models.GOGS {
 		return true
 	}
+
+	// 建木devops
+	if name == models.JIANMU {
+		return true
+	}
+
 	_, ok := webhooks[models.HookType(name)]
 	return ok
 }
@@ -135,7 +141,7 @@ func prepareWebhook(w *models.Webhook, repo *models.Repository, event models.Hoo
 	// Avoid sending "0 new commits" to non-integration relevant webhooks (e.g. slack, discord, etc.).
 	// Integration webhooks (e.g. drone) still receive the required data.
 	if pushEvent, ok := p.(*api.PushPayload); ok &&
-		w.Type != models.GITEA && w.Type != models.GOGS &&
+		w.Type != models.GITEA && w.Type != models.GOGS && w.Type != models.JIANMU &&
 		len(pushEvent.Commits) == 0 {
 		return nil
 	}
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 50a035cae..2966ecd4b 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -14615,7 +14615,8 @@
             "msteams",
             "slack",
             "telegram",
-            "feishu"
+            "feishu",
+            "jianmu"
           ],
           "x-go-name": "Type"
         }
@@ -15387,6 +15388,9 @@
           "format": "int64",
           "x-go-name": "Deletion"
         },
+        "Diff": {
+          "type": "string"
+        },
         "Index": {
           "type": "integer",
           "format": "int64"