diff --git a/cmd/huashijie_work_go/huashijie_work_go.go b/cmd/huashijie_work_go/huashijie_work_go.go
index 3aa1c45..23710a4 100644
--- a/cmd/huashijie_work_go/huashijie_work_go.go
+++ b/cmd/huashijie_work_go/huashijie_work_go.go
@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"runtime/debug"
 	"sync"
 	"time"
 
@@ -49,15 +50,38 @@ func init() {
 	Logger = log.New(os.Stdout, "["+project_id+"] ", log.Ldate|log.Ltime|log.Lmsgprefix)
 }
 
+var custom_delay_lock = sync.Mutex{}
+
+func panicDelyRecoverExit() {
+	if r := recover(); r != nil {
+		Logger.Println("Panic:", r)
+		Logger.Println("debug.Stack():", string(debug.Stack()))
+		Logger.Println("Sleep 60s before exit...")
+		time.Sleep(60 * time.Second)
+		os.Exit(1)
+	}
+}
+
 // ClaimTask 并把任务放入 task_chan
 func claimWorker(i int, tracker *savewebtracker.Tracker) {
 	Logger.Println("[START] ClaimWorker", i)
 	defer Logger.Println("[STOP] ClaimWorker", i, " exited...")
 	defer WaitClaimWorker.Done()
+	defer panicDelyRecoverExit()
 	for {
 		if Interrupted {
 			return
 		}
+		if os.Getenv("CUSTOM_DELAY") != "" {
+			custom_delay_lock.Lock()
+			// xxxms
+			custom_delay, _ := time.ParseDuration(os.Getenv("CUSTOM_DELAY"))
+			Logger.Println("Custom delay:", custom_delay, "...")
+			time.Sleep(custom_delay)
+			custom_delay_lock.Unlock()
+
+			WITH_DELAY = false
+		}
 		task := tracker.ClaimTask(WITH_DELAY)
 		if task == nil {
 			notask_sleep := max(
@@ -77,6 +101,7 @@ func ProcesserWorker(i int, tracker *savewebtracker.Tracker) {
 	Logger.Println("[START] ProcesserWorker", i)
 	defer Logger.Println("[STOP] ProcesserWorker", i, " exited...")
 	defer WaitProcesserWorker.Done()
+	defer panicDelyRecoverExit()
 	for task := range tasks_chan {
 		Logger.Println("Processing task", task.Id)
 
@@ -173,7 +198,7 @@ func ShowStatus(t *savewebtracker.Tracker) {
 }
 
 func main() {
-	tracker := savewebtracker.GetTracker(project_id, "0.4", savewebtracker.Archivist())
+	tracker := savewebtracker.GetTracker(project_id, "0.5", savewebtracker.Archivist())
 	tracker.PING_client = GetRetryableHttpClient(10*time.Second, DEBUG)
 	tracker.HTTP_client = GetRetryableHttpClient(10*time.Second, DEBUG)
 	tracker.SelectBestTracker().StartSelectTrackerBackground().StartFetchProjectBackground()
@@ -181,6 +206,11 @@ func main() {
 	go InterruptHandler()
 	go ShowStatus(tracker)
 
+	time.Sleep(3 * time.Second)
+	Logger.Println("force sleep 10s before start...")
+	time.Sleep(7 * time.Second)
+	Logger.Println("start...")
+
 	huashijie_api.EnsureConnection(*tracker.HTTP_client)
 
 	Logger.Println("-- Start --")
diff --git a/pkg/huashijie_api.go b/pkg/huashijie_api.go
index ad88823..c0ffe08 100644
--- a/pkg/huashijie_api.go
+++ b/pkg/huashijie_api.go
@@ -35,7 +35,7 @@ func EnsureConnection(client http.Client) {
 	if err != nil {
 		panic(err)
 	}
-	req.Header.Add("Referer", "https://app.huashijie.art/")
+	// req.Header.Add("Referer", "https://app.huashijie.art/")
 	req.Header.Add("User-Agent", "Dalvik/2.1.0 (Linux; U; Android 9; MI 8 SE MIUI/V12.0.2.0.PEBCNXM)")
 
 	resp, err := client.Do(req)
@@ -55,7 +55,7 @@ func EnsureConnection(client http.Client) {
 	}
 
 	// 125277547
-	body, r_status := GetWorkDetailResponse(client, "125277547")
+	body, r_status := GetWorkDetailResponse(client, "129107778")
 
 	if r_status != 200 {
 		Logger.Println("HTTP status code:", r_status, "body:", string(body))
@@ -69,6 +69,11 @@ func EnsureConnection(client http.Client) {
 		panic("failed to parse JSON: " + string(body))
 	}
 
+	if !strings.Contains(string(body), "要你管啦离人家远远") {
+		Logger.Println("JSON:", string(body))
+		Logger.Panicln("assertion failed: body not contains '要你管啦离人家远远'")
+	}
+
 	// check if 'status' in r_json
 	if status, ok := r_json["status"]; ok {
 		switch status := status.(type) {
@@ -127,9 +132,9 @@ func GetWorkDetailResponse(client http.Client, work_id string) ([]byte, int) {
 	p += fmt.Sprintf("&os_version=%d", os_version)
 
 	if os.Getenv("HSJ_ENDPOINT") == "pandapaint" {
-		p += "&version_code=168"
+		p += "&version_code=170"
 	} else {
-		p += "&version_code=241"
+		p += "&version_code=247"
 	}
 
 	p += "&device_brand=xiaomi"