diff --git a/modules/userlog/userlog.go b/modules/userlog/userlog.go
new file mode 100644
index 000000000..983df7647
--- /dev/null
+++ b/modules/userlog/userlog.go
@@ -0,0 +1,13 @@
+// package userlog
+
+// import (
+// 	"fmt"
+// 	"path"
+// 	"code.gitea.io/gitea/modules/log"
+// 	"code.gitea.io/gitea/modules/setting"
+// )
+
+// func init(){
+// 	filename := path.Join(setting.LogRootPath, "userlog.log")
+// 	log.NewLogger(1000,  "userlog", "file", fmt.Sprintf(`{"filename":"%s"}`, filename))
+// }
\ No newline at end of file
diff --git a/routers/api/v1/api.go b/routers/api/v1/api.go
index 3f4dbef6e..5436849e2 100644
--- a/routers/api/v1/api.go
+++ b/routers/api/v1/api.go
@@ -82,6 +82,7 @@ import (
 	"code.gitea.io/gitea/routers/api/v1/settings"
 	_ "code.gitea.io/gitea/routers/api/v1/swagger" // for swagger generation
 	"code.gitea.io/gitea/routers/api/v1/user"
+	"code.gitea.io/gitea/routers/api/v1/trace"
 
 	"gitea.com/macaron/binding"
 	"gitea.com/macaron/macaron"
@@ -970,6 +971,12 @@ func RegisterRoutes(m *macaron.Macaron) {
 		m.Group("/topics", func() {
 			m.Get("/search", repo.TopicSearch)
 		})
+
+		m.Group("/log", func() {
+			m.Get("/list", trace.GetLogList)
+			m.Get("/download/:filename", trace.DownloadLog)
+			// m.Combo("/download").Post(bind(trace.LogDownloadOptions{}), trace.DownloadLog)
+		})
 	}, securityHeaders(), context.APIContexter(), sudo())
 }
 
diff --git a/routers/api/v1/trace/trace.go b/routers/api/v1/trace/trace.go
new file mode 100644
index 000000000..3c5ee2171
--- /dev/null
+++ b/routers/api/v1/trace/trace.go
@@ -0,0 +1,62 @@
+package trace
+
+import (
+	// "fmt"
+	"os"
+	// "path/filepath"
+	"io/ioutil"
+	// "net/http"
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/context"
+)
+
+type LogDownloadOptions struct {
+	FileName string `json:"filename" binding:"Required"`
+}
+
+func GetLogList(ctx *context.APIContext) {
+	var logList []string
+
+	dir_list, err := ioutil.ReadDir(setting.LogRootPath)
+	if err != nil {
+		ctx.ServerError("logList", err)
+		return
+	}
+
+	for i:=0; i<len(dir_list); i++ {
+		// fmt.Println(i, "=", v.Name())
+		logList = append(logList, dir_list[i].Name())
+	}
+
+	ctx.JSON(200, &logList)
+}
+
+type NotFoundError struct {
+	Message string `json:"message"`
+}
+
+func DownloadLog(ctx *context.APIContext) {
+	file_path := ctx.Params(":filename")
+	// file_path := data.FileName
+	path := setting.LogRootPath+"/"+file_path
+	b, err := PathExists(path)
+    if !b || err != nil {
+        // ctx.Error(http.StatusNotFound, "NoSuchFile", fmt.Sprintf("no such file: %s", file_path))
+		ctx.JSON(200, &NotFoundError{Message: "no such file!"})
+	} else {
+		ctx.ServeFile(path, file_path)
+	}
+}
+
+func PathExists(path string) (bool, error) {
+
+    _, err := os.Stat(path)
+    if err == nil {
+        return true, nil
+    }
+    if os.IsNotExist(err) {
+        return false, nil
+    }
+    return false, err
+}
\ No newline at end of file
diff --git a/routers/repo/http.go b/routers/repo/http.go
index 565ee5eff..330d253d3 100644
--- a/routers/repo/http.go
+++ b/routers/repo/http.go
@@ -11,6 +11,7 @@ import (
 	gocontext "context"
 	"fmt"
 	"io/ioutil"
+	// "io"
 	"net/http"
 	"os"
 	"os/exec"
@@ -570,6 +571,11 @@ func serviceRPC(h serviceHandler, service string) {
 	cmd.Stdin = reqBody
 	cmd.Stderr = &stderr
 
+	// var gitcontent bytes.Buffer
+	// _ = io.MultiWriter(h.w, &gitcontent)
+	// accessLogger := log.GetLogger("access")
+	// accessLogger.SendLog(log.INFO, "", "", 0, gitcontent.String(), "")
+
 	pid := process.GetManager().Add(fmt.Sprintf("%s %s %s [repo_path: %s]", git.GitExecutable, service, "--stateless-rpc", h.dir), cancel)
 	defer process.GetManager().Remove(pid)
 
diff --git a/web_src/fonts/noto-color-emoji/NotoColorEmoji.ttf b/web_src/fonts/noto-color-emoji/NotoColorEmoji.ttf
index 6757b6f93..ee7ad7b82 100644
Binary files a/web_src/fonts/noto-color-emoji/NotoColorEmoji.ttf and b/web_src/fonts/noto-color-emoji/NotoColorEmoji.ttf differ