diff --git a/build.sh b/build.sh
index d942aea..24716a2 100755
--- a/build.sh
+++ b/build.sh
@@ -18,7 +18,7 @@ GitCommitLog=${GitCommitLog//\'/\"}
 GitStatus=`git status -s`
 BuildTime=`date +'%Y.%m.%d.%H%M%S'`
 BuildGoVersion=`go version`
-WebUITpl=`cat lal.html`
+#WebUITpl=`cat lal.html`
 
 LDFlags=" \
     -X 'github.com/q191201771/naza/pkg/bininfo.GitTag=${GitTag}' \
@@ -26,9 +26,10 @@ LDFlags=" \
     -X 'github.com/q191201771/naza/pkg/bininfo.GitStatus=${GitStatus}' \
     -X 'github.com/q191201771/naza/pkg/bininfo.BuildTime=${BuildTime}' \
     -X 'github.com/q191201771/naza/pkg/bininfo.BuildGoVersion=${BuildGoVersion}' \
-    -X 'github.com/q191201771/lal/pkg/logic.webUITpl=${WebUITpl}' \
 "
 
+#-X 'github.com/q191201771/lal/pkg/logic.webUITpl=${WebUITpl}' \
+
 echo "build" ${ROOT_DIR}/app/lalserver "..."
 cd ${ROOT_DIR}/app/lalserver && go build -ldflags "$LDFlags" -o ${ROOT_DIR}/${OUT_DIR}/lalserver
 #cd ${ROOT_DIR}/app/lalserver && go build -race -ldflags "$LDFlags" -o ${ROOT_DIR}/${OUT_DIR}/lalserver.debug
diff --git a/go.mod b/go.mod
index 5d81c90..2a95f90 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/q191201771/lal
 
-go 1.14
+go 1.16
 
 require github.com/q191201771/naza v0.30.8
diff --git a/pkg/base/t_http_an__api.go b/pkg/base/t_http_an__api.go
index 1918cad..63d1dcc 100644
--- a/pkg/base/t_http_an__api.go
+++ b/pkg/base/t_http_an__api.go
@@ -52,6 +52,9 @@ const (
 	ErrorCodeSucc = 0
 	DespSucc      = "succ"
 
+	ErrorCodePageNotFound = 404
+	DespPageNotFound = "page not found, check this document out: https://pengrl.com/lal/#/HTTPAPI"
+
 	ErrorCodeGroupNotFound   = 1001
 	DespGroupNotFound        = "group not found"
 	ErrorCodeParamMissing    = 1002
@@ -63,12 +66,16 @@ const (
 	ErrorCodeListenUdpPortFail  = 2002
 )
 
-// HttpResponseBasic
 type ApiRespBasic struct {
 	ErrorCode int    `json:"error_code"`
 	Desp      string `json:"desp"`
 }
 
+var  ApiNotFoundResp = ApiRespBasic{
+	ErrorCode: ErrorCodePageNotFound,
+	Desp: DespPageNotFound,
+}
+
 type ApiStatLalInfoResp struct {
 	ApiRespBasic
 	Data LalInfo `json:"data"`
diff --git a/lal.html b/pkg/logic/http_an__lal.html
similarity index 99%
rename from lal.html
rename to pkg/logic/http_an__lal.html
index c909d1d..73209aa 100644
--- a/lal.html
+++ b/pkg/logic/http_an__lal.html
@@ -250,7 +250,7 @@
         </section>
 
         <footer>
-            <hr>lal
+            <hr><a href="https://github.com/q191201771/lal">lal github</a> | <a href="https://pengrl.com/lal">document</a>
         </footer>
 
         <script>
diff --git a/pkg/logic/http_api.go b/pkg/logic/http_api.go
index c67bb4d..ee35690 100644
--- a/pkg/logic/http_api.go
+++ b/pkg/logic/http_api.go
@@ -9,6 +9,7 @@
 package logic
 
 import (
+	_ "embed"
 	"encoding/json"
 	"html/template"
 	"io/ioutil"
@@ -23,6 +24,9 @@ import (
 	"github.com/q191201771/lal/pkg/base"
 )
 
+//go:embed http_an__lal.html
+var webUITpl string
+
 type HttpApiServer struct {
 	addr string
 	sm   *ServerManager
@@ -30,8 +34,6 @@ type HttpApiServer struct {
 	ln net.Listener
 }
 
-var webUITpl string
-
 func NewHttpApiServer(addr string, sm *ServerManager) *HttpApiServer {
 	return &HttpApiServer{
 		addr: addr,
@@ -50,6 +52,8 @@ func (h *HttpApiServer) Listen() (err error) {
 func (h *HttpApiServer) RunLoop() error {
 	mux := http.NewServeMux()
 
+	mux.HandleFunc("/lal.html", h.webUIHandler)
+
 	mux.HandleFunc("/api/stat/group", h.statGroupHandler)
 	mux.HandleFunc("/api/stat/all_group", h.statAllGroupHandler)
 	mux.HandleFunc("/api/stat/lal_info", h.statLalInfoHandler)
@@ -58,7 +62,8 @@ func (h *HttpApiServer) RunLoop() error {
 	mux.HandleFunc("/api/ctrl/stop_relay_pull", h.ctrlStopRelayPullHandler)
 	mux.HandleFunc("/api/ctrl/kick_session", h.ctrlKickSessionHandler)
 	mux.HandleFunc("/api/ctrl/start_rtp_pub", h.ctrlStartRtpPubHandler)
-	mux.HandleFunc("/", h.webUIHandler)
+	// 所有没有注册路由的走下面这个处理函数
+	mux.HandleFunc("/", h.notFoundHandler)
 
 	var srv http.Server
 	srv.Handler = mux
@@ -108,7 +113,6 @@ func (h *HttpApiServer) statGroupHandler(w http.ResponseWriter, req *http.Reques
 	v.ErrorCode = base.ErrorCodeSucc
 	v.Desp = base.DespSucc
 	feedback(v, w)
-	return
 }
 
 // ---------------------------------------------------------------------------------------------------------------------
@@ -143,7 +147,6 @@ func (h *HttpApiServer) ctrlStartRelayPullHandler(w http.ResponseWriter, req *ht
 
 	resp := h.sm.CtrlStartRelayPull(info)
 	feedback(resp, w)
-	return
 }
 
 func (h *HttpApiServer) ctrlStopRelayPullHandler(w http.ResponseWriter, req *http.Request) {
@@ -162,7 +165,6 @@ func (h *HttpApiServer) ctrlStopRelayPullHandler(w http.ResponseWriter, req *htt
 
 	resp := h.sm.CtrlStopRelayPull(streamName)
 	feedback(resp, w)
-	return
 }
 
 func (h *HttpApiServer) ctrlKickSessionHandler(w http.ResponseWriter, req *http.Request) {
@@ -182,7 +184,6 @@ func (h *HttpApiServer) ctrlKickSessionHandler(w http.ResponseWriter, req *http.
 
 	resp := h.sm.CtrlKickSession(info)
 	feedback(resp, w)
-	return
 }
 
 func (h *HttpApiServer) ctrlStartRtpPubHandler(w http.ResponseWriter, req *http.Request) {
@@ -213,17 +214,9 @@ func (h *HttpApiServer) ctrlStartRtpPubHandler(w http.ResponseWriter, req *http.
 
 	resp := h.sm.CtrlStartRtpPub(info)
 	feedback(resp, w)
-	return
 }
 
-// ---------------------------------------------------------------------------------------------------------------------
-
 func (h *HttpApiServer) webUIHandler(w http.ResponseWriter, req *http.Request) {
-	if req.URL.Path != "/" {
-		h.notFoundHandler(w, req)
-		return
-	}
-
 	t, err := template.New("webUI").Parse(webUITpl)
 	if err != nil {
 		Log.Errorf("invaild html template: %v", err)
@@ -250,8 +243,12 @@ func (h *HttpApiServer) webUIHandler(w http.ResponseWriter, req *http.Request) {
 
 func (h *HttpApiServer) notFoundHandler(w http.ResponseWriter, req *http.Request) {
 	Log.Warnf("invalid http-api request. uri=%s, raddr=%s", req.RequestURI, req.RemoteAddr)
+	//w.WriteHeader(http.StatusNotFound)
+	feedback(base.ApiNotFoundResp, w)
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+
 func feedback(v interface{}, w http.ResponseWriter) {
 	resp, _ := json.Marshal(v)
 	w.Header().Add("Server", base.LalHttpApiServer)