diff --git a/.github/release-drafter.yml b/.github/release-drafter.yml
index 79522326..0dbd0643 100644
--- a/.github/release-drafter.yml
+++ b/.github/release-drafter.yml
@@ -11,6 +11,8 @@ categories:
       - 'fix'
       - 'bugfix'
       - 'bug'
+  - title: '🧪 Tests'
+    label: 'test'
   - title: '🧰 Maintenance'
     label: 'chore'
   - title: '📖 Document'
diff --git a/pkg/base/model.go b/pkg/base/model.go
index b27facfd..697df227 100644
--- a/pkg/base/model.go
+++ b/pkg/base/model.go
@@ -9,6 +9,15 @@ import (
 type Request struct {
 	URL   string `json:"url"`
 	Extra any    `json:"extra"`
+	// Labels is used to mark the download task
+	Labels map[string]string `json:"labels"`
+}
+
+func (r *Request) Validate() error {
+	if r.URL == "" {
+		return fmt.Errorf("invalid request url")
+	}
+	return nil
 }
 
 // Resource download resource
@@ -36,7 +45,6 @@ func (r *Resource) Validate() error {
 		}
 	}
 	return nil
-
 }
 
 func (r *Resource) CalcSize() {
diff --git a/pkg/download/downloader.go b/pkg/download/downloader.go
index f49ffeb3..fffc58c1 100644
--- a/pkg/download/downloader.go
+++ b/pkg/download/downloader.go
@@ -429,6 +429,9 @@ func (d *Downloader) emit(eventKey EventKey, task *Task, errs ...error) {
 			Task: task,
 			Err:  err,
 		})
+		if eventKey == EventKeyError {
+			d.emit(EventKeyFinally, task, err)
+		}
 	}
 }
 
@@ -494,8 +497,8 @@ func (d *Downloader) watch(task *Task) {
 		task.Status = base.DownloadStatusDone
 		d.storage.Put(bucketTask, task.ID, task.clone())
 		d.emit(EventKeyDone, task)
+		d.emit(EventKeyFinally, task, err)
 	}
-	d.emit(EventKeyFinally, task, err)
 	if task.Status == EventKeyDone {
 		d.notifyRunning()
 	}
@@ -622,6 +625,8 @@ func (d *Downloader) doPauseAll() (err error) {
 func (d *Downloader) start(task *Task) error {
 	task.lock.Lock()
 	defer task.lock.Unlock()
+	d.triggerOnStart(task)
+
 	isCreate := task.Status == base.DownloadStatusReady
 	task.Status = base.DownloadStatusRunning
 	if task.Meta.Res == nil {
diff --git a/pkg/download/extension.go b/pkg/download/extension.go
index c5622f90..f996aff1 100644
--- a/pkg/download/extension.go
+++ b/pkg/download/extension.go
@@ -33,6 +33,7 @@ type ActivationEvent string
 
 const (
 	EventOnResolve ActivationEvent = "onResolve"
+	EventOnStart   ActivationEvent = "onStart"
 	//EventOnError   ActivationEvent = "onError"
 	//EventOnDone    ActivationEvent = "onDone"
 )
@@ -47,7 +48,7 @@ func (d *Downloader) InstallExtensionByFolder(path string, devMode bool) (*Exten
 		return nil, err
 	}
 
-	// if dev mode, don't copy the extension to the extensions' directory
+	// if dev mode, don't copy to the extensions' directory
 	if devMode {
 		ext.DevMode = true
 		ext.DevPath, _ = filepath.Abs(path)
@@ -229,23 +230,71 @@ func (d *Downloader) parseExtensionByPath(path string) (*Extension, error) {
 }
 
 func (d *Downloader) triggerOnResolve(req *base.Request) (res *base.Resource) {
+	doTrigger(d,
+		EventOnResolve,
+		req,
+		&OnResolveContext{
+			Req: req,
+		},
+		func(ext *Extension, gopeed *Instance, ctx *OnResolveContext) {
+			// Validate resource structure
+			if ctx.Res != nil && len(ctx.Res.Files) > 0 {
+				if err := ctx.Res.Validate(); err != nil {
+					gopeed.Logger.logger.Warn().Err(err).Msgf("[%s] resource invalid", ext.buildIdentity())
+					return
+				}
+				ctx.Res.CalcSize()
+			}
+			res = ctx.Res
+		},
+	)
+	return
+}
+
+func (d *Downloader) triggerOnStart(task *Task) {
+	doTrigger(d,
+		EventOnStart,
+		task.Meta.Req,
+		&OnStartContext{
+			Task: task.clone(),
+		},
+		func(ext *Extension, gopeed *Instance, ctx *OnStartContext) {
+			// Validate request structure
+			if ctx.Task.Meta.Req != nil {
+				if err := ctx.Task.Meta.Req.Validate(); err != nil {
+					gopeed.Logger.logger.Warn().Err(err).Msgf("[%s] request invalid", ext.buildIdentity())
+					return
+				}
+				// Modify real task request
+				task.Meta.Req = ctx.Task.Meta.Req
+			}
+		},
+	)
+	return
+}
+
+func doTrigger[T any](d *Downloader, event ActivationEvent, req *base.Request, ctx T, handler func(ext *Extension, gopeed *Instance, ctx T)) {
 	// init extension global object
 	gopeed := &Instance{
 		Events: make(InstanceEvents),
 	}
-	ctx := &Context{
-		Req: req,
-	}
 	var err error
 	for _, ext := range d.extensions {
 		if ext.Disabled {
 			continue
 		}
 		for _, script := range ext.Scripts {
-			if script.match(EventOnResolve, req.URL) {
+			if script.match(event, req) {
+				gopeed.Info = NewExtensionInfo(ext)
 				gopeed.Logger = newInstanceLogger(ext, d.ExtensionLogger)
+				gopeed.Settings = parseSettings(ext.Settings)
+				gopeed.Storage = &ContextStorage{
+					storage:  d.storage,
+					identity: ext.buildIdentity(),
+				}
 				scriptFilePath := filepath.Join(d.ExtensionPath(ext), script.Entry)
 				if _, err = os.Stat(scriptFilePath); os.IsNotExist(err) {
+					gopeed.Logger.logger.Error().Err(err).Msgf("[%s] script file not exist", ext.buildIdentity())
 					continue
 				}
 				func() {
@@ -256,17 +305,16 @@ func (d *Downloader) triggerOnResolve(req *base.Request) (res *base.Resource) {
 						return
 					}
 					defer scriptFile.Close()
-					ctx.Settings = parseSettings(ext.Settings)
-					ctx.Storage = &ContextStorage{
-						storage:  d.storage,
-						identity: ext.buildIdentity(),
-					}
 					var scriptBuf []byte
 					scriptBuf, err = io.ReadAll(scriptFile)
 					if err != nil {
 						gopeed.Logger.logger.Error().Err(err).Msgf("[%s] read script file failed", ext.buildIdentity())
 						return
 					}
+					// Init request labels
+					if req.Labels == nil {
+						req.Labels = make(map[string]string)
+					}
 					engine := engine.NewEngine()
 					defer engine.Close()
 					err = engine.Runtime.Set("gopeed", gopeed)
@@ -279,21 +327,13 @@ func (d *Downloader) triggerOnResolve(req *base.Request) (res *base.Resource) {
 						gopeed.Logger.logger.Error().Err(err).Msgf("[%s] run script failed", ext.buildIdentity())
 						return
 					}
-					if fn, ok := gopeed.Events[EventOnResolve]; ok {
+					if fn, ok := gopeed.Events[event]; ok {
 						_, err = engine.CallFunction(fn, ctx)
 						if err != nil {
-							gopeed.Logger.logger.Error().Err(err).Msgf("[%s] call function failed: %s", EventOnResolve, ext.buildIdentity())
+							gopeed.Logger.logger.Error().Err(err).Msgf("[%s] call function failed: %s", ext.buildIdentity(), event)
 							return
 						}
-						// calculate resource total size
-						if ctx.Res != nil && len(ctx.Res.Files) > 0 {
-							if err = ctx.Res.Validate(); err != nil {
-								gopeed.Logger.logger.Warn().Err(err).Msgf("[%s] resource invalid", ext.buildIdentity())
-								return
-							}
-							ctx.Res.CalcSize()
-						}
-						res = ctx.Res
+						handler(ext, gopeed, ctx)
 					}
 				}()
 			}
@@ -396,30 +436,46 @@ type Repository struct {
 type Script struct {
 	// Event active event name
 	Event string `json:"event"`
-	// Matches match request url pattern list
-	Matches []string `json:"matches"`
+	// Match rules
+	Match *Match `json:"match"`
 	// Entry js script file path
 	Entry string `json:"entry"`
 }
 
-func (s *Script) match(event ActivationEvent, url string) bool {
+func (s *Script) match(event ActivationEvent, req *base.Request) bool {
 	if s.Event == "" {
 		return false
 	}
 	if s.Event != string(event) {
 		return false
 	}
-	if len(s.Matches) == 0 {
+	if s.Match == nil || (len(s.Match.Urls) == 0 && len(s.Match.Labels) == 0) {
 		return false
 	}
-	for _, match := range s.Matches {
-		if util.Match(match, url) {
+
+	// match url
+	for _, url := range s.Match.Urls {
+		if util.Match(url, req.URL) {
+			return true
+		}
+	}
+
+	// match label
+	for _, label := range s.Match.Labels {
+		if _, ok := req.Labels[label]; ok {
 			return true
 		}
 	}
 	return false
 }
 
+type Match struct {
+	// Urls match expression, refer to https://developer.chrome.com/docs/extensions/mv3/match_patterns/
+	Urls []string `json:"urls"`
+	// Labels match request labels
+	Labels []string `json:"labels"`
+}
+
 type SettingType string
 
 const (
@@ -446,10 +502,13 @@ type Option struct {
 	Value any    `json:"value"`
 }
 
-// Instance inject to js context
+// Instance inject to js context when extension script is activated
 type Instance struct {
-	Events InstanceEvents  `json:"events"`
-	Logger *InstanceLogger `json:"logger"`
+	Events   InstanceEvents  `json:"events"`
+	Info     *ExtensionInfo  `json:"info"`
+	Logger   *InstanceLogger `json:"logger"`
+	Settings map[string]any  `json:"settings"`
+	Storage  *ContextStorage `json:"storage"`
 }
 
 type InstanceEvents map[ActivationEvent]goja.Callable
@@ -462,6 +521,10 @@ func (h InstanceEvents) OnResolve(fn goja.Callable) {
 	h.register(EventOnResolve, fn)
 }
 
+func (h InstanceEvents) OnStart(fn goja.Callable) {
+	h.register(EventOnStart, fn)
+}
+
 //func (h InstanceEvents) OnError(fn goja.Callable) {
 //	h.register(HookEventOnError, fn)
 //}
@@ -470,6 +533,24 @@ func (h InstanceEvents) OnResolve(fn goja.Callable) {
 //	h.register(HookEventOnDone, fn)
 //}
 
+type ExtensionInfo struct {
+	Identity string `json:"identity"`
+	Name     string `json:"name"`
+	Author   string `json:"author"`
+	Title    string `json:"title"`
+	Version  string `json:"version"`
+}
+
+func NewExtensionInfo(ext *Extension) *ExtensionInfo {
+	return &ExtensionInfo{
+		Identity: ext.buildIdentity(),
+		Name:     ext.Name,
+		Author:   ext.Author,
+		Title:    ext.Title,
+		Version:  ext.Version,
+	}
+}
+
 type InstanceLogger struct {
 	identity string
 	devMode  bool
@@ -510,11 +591,13 @@ func newInstanceLogger(extension *Extension, logger *logger.Logger) *InstanceLog
 	}
 }
 
-type Context struct {
-	Req      *base.Request   `json:"req"`
-	Res      *base.Resource  `json:"res"`
-	Settings map[string]any  `json:"settings"`
-	Storage  *ContextStorage `json:"storage"`
+type OnResolveContext struct {
+	Req *base.Request  `json:"req"`
+	Res *base.Resource `json:"res"`
+}
+
+type OnStartContext struct {
+	Task *Task `json:"task"`
 }
 
 func parseSettings(settings []*Setting) map[string]any {
diff --git a/pkg/download/extension_test.go b/pkg/download/extension_test.go
index 502220c6..6211e647 100644
--- a/pkg/download/extension_test.go
+++ b/pkg/download/extension_test.go
@@ -1,10 +1,12 @@
 package download
 
 import (
+	"errors"
 	"github.com/GopeedLab/gopeed/internal/logger"
 	"github.com/GopeedLab/gopeed/pkg/base"
 	"os"
 	"testing"
+	"time"
 )
 
 func TestDownloader_InstallExtensionByFolder(t *testing.T) {
@@ -132,20 +134,52 @@ func TestDownloader_UpgradeExtension(t *testing.T) {
 	})
 }
 
-func TestDownloader_ResolveWithExtra(t *testing.T) {
-	setupDownloader(func(downloader *Downloader) {
-		if _, err := downloader.InstallExtensionByFolder("./testdata/extensions/extra", false); err != nil {
-			t.Fatal(err)
-		}
-		rr, err := downloader.Resolve(&base.Request{
-			URL: "https://github.com/test",
+func TestDownloader_ExtensionByOnStart(t *testing.T) {
+	downloadAndCheck := func(req *base.Request) {
+		setupDownloader(func(downloader *Downloader) {
+			if _, err := downloader.InstallExtensionByFolder("./testdata/extensions/on_start", false); err != nil {
+				t.Fatal(err)
+			}
+			errCh := make(chan error, 1)
+			downloader.Listener(func(event *Event) {
+				if event.Key == EventKeyFinally {
+					errCh <- event.Err
+				}
+			})
+			id, err := downloader.CreateDirect(req, nil)
+			if err != nil {
+				t.Fatal(err)
+			}
+			select {
+			case err = <-errCh:
+				break
+			case <-time.After(time.Second * 10):
+				err = errors.New("timeout")
+			}
+			if err != nil {
+				panic("extension on start download error: " + err.Error())
+			}
+			task := downloader.GetTask(id)
+			if task.Meta.Req.URL != "https://github.com" {
+				panic("extension on start modify url error")
+			}
+			if task.Meta.Req.Labels["modified"] != "true" {
+				panic("extension on start modify label error")
+			}
 		})
-		if err != nil {
-			t.Fatal(err)
-		}
-		if len(rr.Res.Files) != 2 {
-			t.Fatal("resolve error")
-		}
+	}
+
+	// url match
+	downloadAndCheck(&base.Request{
+		URL: "https://github.com/gopeed/test/404",
+	})
+
+	// label match
+	downloadAndCheck(&base.Request{
+		URL: "https://xxx.com",
+		Labels: map[string]string{
+			"test": "true",
+		},
 	})
 }
 
diff --git a/pkg/download/testdata/extensions/basic/index.js b/pkg/download/testdata/extensions/basic/index.js
index 79176b6b..45fb095a 100644
--- a/pkg/download/testdata/extensions/basic/index.js
+++ b/pkg/download/testdata/extensions/basic/index.js
@@ -6,6 +6,9 @@ gopeed.events.onResolve(async function (ctx) {
                 size: 1024,
                 req: {
                     url: ctx.req.url + "/" + i,
+                    labels:{
+                        "from": gopeed.info.name,
+                    }
                 }
             }),
         ),
diff --git a/pkg/download/testdata/extensions/basic/manifest.json b/pkg/download/testdata/extensions/basic/manifest.json
index ab8ad2bc..9560ced7 100644
--- a/pkg/download/testdata/extensions/basic/manifest.json
+++ b/pkg/download/testdata/extensions/basic/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://github.com/*"
-      ],
+      "match": {
+        "urls": [
+          "*://github.com/*"
+        ]
+      },
       "entry": "index.js"
     }
   ],
diff --git a/pkg/download/testdata/extensions/function_error/manifest.json b/pkg/download/testdata/extensions/function_error/manifest.json
index 65337859..bf53c040 100644
--- a/pkg/download/testdata/extensions/function_error/manifest.json
+++ b/pkg/download/testdata/extensions/function_error/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://github.com/*"
-      ],
+      "match": {
+        "urls": [
+          "*://github.com/*"
+        ]
+      },
       "entry": "index.js"
     }
   ],
diff --git a/pkg/download/testdata/extensions/on_start/index.js b/pkg/download/testdata/extensions/on_start/index.js
new file mode 100644
index 00000000..cc6a6d5f
--- /dev/null
+++ b/pkg/download/testdata/extensions/on_start/index.js
@@ -0,0 +1,5 @@
+gopeed.events.onStart(async function (ctx) {
+    ctx.task.meta.req.url = "https://github.com";
+    ctx.task.meta.req.labels['modified'] = 'true';
+});
+
diff --git a/pkg/download/testdata/extensions/on_start/manifest.json b/pkg/download/testdata/extensions/on_start/manifest.json
new file mode 100644
index 00000000..ad38340d
--- /dev/null
+++ b/pkg/download/testdata/extensions/on_start/manifest.json
@@ -0,0 +1,19 @@
+{
+  "name": "on-start",
+  "title": "gopeed extension on start event test",
+  "version": "0.0.1",
+  "scripts": [
+    {
+      "event": "onStart",
+      "match": {
+        "urls": [
+          "*://github.com/*"
+        ],
+        "labels": [
+          "test"
+        ]
+      },
+      "entry": "index.js"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/pkg/download/testdata/extensions/script_error/manifest.json b/pkg/download/testdata/extensions/script_error/manifest.json
index 978745ba..0aaca82d 100644
--- a/pkg/download/testdata/extensions/script_error/manifest.json
+++ b/pkg/download/testdata/extensions/script_error/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://github.com/*"
-      ],
+      "match": {
+        "urls": [
+          "*://github.com/*"
+        ]
+      },
       "entry": "index.js"
     }
   ],
diff --git a/pkg/download/testdata/extensions/settings_all/index.js b/pkg/download/testdata/extensions/settings_all/index.js
index 4454268b..7144506a 100644
--- a/pkg/download/testdata/extensions/settings_all/index.js
+++ b/pkg/download/testdata/extensions/settings_all/index.js
@@ -1,31 +1,31 @@
 gopeed.events.onResolve(async function (ctx) {
-    if (ctx.settings.string != null) {
+    if (gopeed.settings.string != null) {
         throw new Error("string is not null");
     }
-    if (ctx.settings.number != null) {
+    if (gopeed.settings.number != null) {
         throw new Error("number is not null");
     }
-    if (ctx.settings.boolean != null) {
+    if (gopeed.settings.boolean != null) {
         throw new Error("boolean is not null");
     }
 
-    if (ctx.settings.stringDefault !== "default") {
+    if (gopeed.settings.stringDefault !== "default") {
         throw new Error("string default value is incorrect");
     }
-    if (ctx.settings.numberDefault !== 1) {
+    if (gopeed.settings.numberDefault !== 1) {
         throw new Error("number default value is incorrect");
     }
-    if (ctx.settings.booleanDefault !== true) {
+    if (gopeed.settings.booleanDefault !== true) {
         throw new Error("boolean default value is incorrect");
     }
 
-    if (ctx.settings.stringValued !== "valued") {
+    if (gopeed.settings.stringValued !== "valued") {
         throw new Error("string value is incorrect");
     }
-    if (ctx.settings.numberValued !== 1.1) {
+    if (gopeed.settings.numberValued !== 1.1) {
         throw new Error("number value is incorrect");
     }
-    if (ctx.settings.booleanValued !== true) {
+    if (gopeed.settings.booleanValued !== true) {
         throw new Error("boolean value is incorrect");
     }
 
diff --git a/pkg/download/testdata/extensions/settings_all/manifest.json b/pkg/download/testdata/extensions/settings_all/manifest.json
index ae6b9540..37b45666 100644
--- a/pkg/download/testdata/extensions/settings_all/manifest.json
+++ b/pkg/download/testdata/extensions/settings_all/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://*/*"
-      ],
+      "match": {
+        "urls": [
+          "*://*/*"
+        ]
+      },
       "entry": "index.js"
     }
   ],
diff --git a/pkg/download/testdata/extensions/settings_empty/index.js b/pkg/download/testdata/extensions/settings_empty/index.js
index 4d47d019..4f837423 100644
--- a/pkg/download/testdata/extensions/settings_empty/index.js
+++ b/pkg/download/testdata/extensions/settings_empty/index.js
@@ -1,5 +1,5 @@
 gopeed.events.onResolve(async function (ctx) {
-    if (Object.keys(ctx.settings).length > 0){
+    if (Object.keys(gopeed.settings).length > 0){
         throw new Error("settings is not empty");
     }
 
diff --git a/pkg/download/testdata/extensions/settings_empty/manifest.json b/pkg/download/testdata/extensions/settings_empty/manifest.json
index 0ae921ae..146a918e 100644
--- a/pkg/download/testdata/extensions/settings_empty/manifest.json
+++ b/pkg/download/testdata/extensions/settings_empty/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://*/*"
-      ],
+      "match": {
+        "urls": [
+          "*://*/*"
+        ]
+      },
       "entry": "index.js"
     }
   ]
diff --git a/pkg/download/testdata/extensions/storage/index.js b/pkg/download/testdata/extensions/storage/index.js
index d101e4aa..2d7b3d1f 100644
--- a/pkg/download/testdata/extensions/storage/index.js
+++ b/pkg/download/testdata/extensions/storage/index.js
@@ -2,36 +2,36 @@ gopeed.events.onResolve(async function (ctx) {
     const key = "key"
     const value1 = "value1", value2 = JSON.stringify({a: 1, b: "2"})
 
-    if (ctx.storage.get(key) !== null) {
+    if (gopeed.storage.get(key) !== null) {
         throw new Error("storage get null error")
     }
-    ctx.storage.remove(key)
-    if(ctx.storage.keys().length !== 0) {
+    gopeed.storage.remove(key)
+    if(gopeed.storage.keys().length !== 0) {
         throw new Error("storage keys null error")
     }
 
-    ctx.storage.set(key, value1)
-    if (ctx.storage.get(key) !== value1) {
+    gopeed.storage.set(key, value1)
+    if (gopeed.storage.get(key) !== value1) {
         throw new Error("storage put1 error")
     }
 
-    ctx.storage.set(key, value2)
-    if (ctx.storage.get(key) !== value2) {
+    gopeed.storage.set(key, value2)
+    if (gopeed.storage.get(key) !== value2) {
         throw new Error("storage put2 error")
     }
 
-    if(ctx.storage.keys().length !== 1) {
+    if(gopeed.storage.keys().length !== 1) {
         throw new Error("storage keys error")
     }
 
-    ctx.storage.remove(key)
-    if (ctx.storage.get(key) !== null) {
+    gopeed.storage.remove(key)
+    if (gopeed.storage.get(key) !== null) {
         throw new Error("storage delete error")
     }
 
-    ctx.storage.set(key, value1)
-    ctx.storage.clear()
-    if (ctx.storage.get(key) !== null) {
+    gopeed.storage.set(key, value1)
+    gopeed.storage.clear()
+    if (gopeed.storage.get(key) !== null) {
         throw new Error("storage clear error")
     }
 
diff --git a/pkg/download/testdata/extensions/storage/manifest.json b/pkg/download/testdata/extensions/storage/manifest.json
index 5b8f41c9..c7953bb9 100644
--- a/pkg/download/testdata/extensions/storage/manifest.json
+++ b/pkg/download/testdata/extensions/storage/manifest.json
@@ -5,9 +5,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://github.com/*"
-      ],
+      "match": {
+        "urls": [
+          "*://*/*"
+        ]
+      },
       "entry": "index.js"
     }
   ],
diff --git a/pkg/download/testdata/extensions/update/manifest.json b/pkg/download/testdata/extensions/update/manifest.json
index 30522af3..9db763f8 100644
--- a/pkg/download/testdata/extensions/update/manifest.json
+++ b/pkg/download/testdata/extensions/update/manifest.json
@@ -12,9 +12,11 @@
   "scripts": [
     {
       "event": "onResolve",
-      "matches": [
-        "*://github.com/*/releases/*"
-      ],
+      "match": {
+        "urls": [
+          "*://*/*"
+        ]
+      },
       "entry": "index.js"
     }
   ]
diff --git a/ui/flutter/lib/api/model/extension.dart b/ui/flutter/lib/api/model/extension.dart
index da13b403..3bd3196e 100644
--- a/ui/flutter/lib/api/model/extension.dart
+++ b/ui/flutter/lib/api/model/extension.dart
@@ -16,6 +16,7 @@ class Extension {
   List<Setting>? settings;
   bool disabled;
   bool devMode;
+  String devPath;
 
   Extension({
     required this.identity,
@@ -29,6 +30,7 @@ class Extension {
     required this.repository,
     required this.disabled,
     required this.devMode,
+    required this.devPath,
   });
 
   factory Extension.fromJson(Map<String, dynamic> json) =>
diff --git a/ui/flutter/lib/api/model/extension.g.dart b/ui/flutter/lib/api/model/extension.g.dart
index a4c781fd..6afa4961 100644
--- a/ui/flutter/lib/api/model/extension.g.dart
+++ b/ui/flutter/lib/api/model/extension.g.dart
@@ -20,6 +20,7 @@ Extension _$ExtensionFromJson(Map<String, dynamic> json) => Extension(
           : Repository.fromJson(json['repository'] as Map<String, dynamic>),
       disabled: json['disabled'] as bool,
       devMode: json['devMode'] as bool,
+      devPath: json['devPath'] as String,
     )..settings = (json['settings'] as List<dynamic>?)
         ?.map((e) => Setting.fromJson(e as Map<String, dynamic>))
         .toList();
@@ -46,6 +47,7 @@ Map<String, dynamic> _$ExtensionToJson(Extension instance) {
   writeNotNull('settings', instance.settings?.map((e) => e.toJson()).toList());
   val['disabled'] = instance.disabled;
   val['devMode'] = instance.devMode;
+  val['devPath'] = instance.devPath;
   return val;
 }
 
diff --git a/ui/flutter/lib/api/model/request.dart b/ui/flutter/lib/api/model/request.dart
index 27eeef71..5e39b1f5 100644
--- a/ui/flutter/lib/api/model/request.dart
+++ b/ui/flutter/lib/api/model/request.dart
@@ -6,10 +6,12 @@ part 'request.g.dart';
 class Request {
   String url;
   Object? extra;
+  Map<String, String>? labels = {};
 
   Request({
     required this.url,
     this.extra,
+    this.labels,
   });
 
   factory Request.fromJson(Map<String, dynamic> json) =>
diff --git a/ui/flutter/lib/api/model/request.g.dart b/ui/flutter/lib/api/model/request.g.dart
index d87c0de9..3ddd44ad 100644
--- a/ui/flutter/lib/api/model/request.g.dart
+++ b/ui/flutter/lib/api/model/request.g.dart
@@ -9,6 +9,9 @@ part of 'request.dart';
 Request _$RequestFromJson(Map<String, dynamic> json) => Request(
       url: json['url'] as String,
       extra: json['extra'],
+      labels: (json['labels'] as Map<String, dynamic>?)?.map(
+        (k, e) => MapEntry(k, e as String),
+      ),
     );
 
 Map<String, dynamic> _$RequestToJson(Request instance) {
@@ -23,6 +26,7 @@ Map<String, dynamic> _$RequestToJson(Request instance) {
   }
 
   writeNotNull('extra', instance.extra);
+  writeNotNull('labels', instance.labels);
   return val;
 }
 
diff --git a/ui/flutter/lib/app/modules/extension/views/extension_view.dart b/ui/flutter/lib/app/modules/extension/views/extension_view.dart
index 084f1f9b..f5d07e7a 100644
--- a/ui/flutter/lib/app/modules/extension/views/extension_view.dart
+++ b/ui/flutter/lib/app/modules/extension/views/extension_view.dart
@@ -110,14 +110,22 @@ class ExtensionView extends GetView<ExtensionController> {
                                           height: 48,
                                         )
                                       : Util.isWeb()
-                                          ? Image.network(join(
-                                              '/fs/extensions/${extension.identity}/${extension.icon}'))
+                                          ? Image.network(
+                                              join(
+                                                  '/fs/extensions/${extension.identity}/${extension.icon}'),
+                                              width: 48,
+                                              height: 48,
+                                            )
                                           : Image.file(
-                                              File(path.join(
-                                                  Util.getStorageDir(),
-                                                  "extensions",
-                                                  extension.identity,
-                                                  extension.icon)),
+                                              extension.devMode
+                                                  ? File(path.join(
+                                                      extension.devPath,
+                                                      extension.icon))
+                                                  : File(path.join(
+                                                      Util.getStorageDir(),
+                                                      "extensions",
+                                                      extension.identity,
+                                                      extension.icon)),
                                               width: 48,
                                               height: 48,
                                             ),