diff --git a/README-zh.md b/README-zh.md
index e1d07b8..3b0de6f 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -37,7 +37,7 @@
 
 ```html
 <script
-    src="https://registry.npmmirror.com/page-agent/1.0.0-beta.2/files/dist/iife/page-agent.demo.js"
+    src="https://registry.npmmirror.com/page-agent/1.0.0-beta.3/files/dist/iife/page-agent.demo.js"
     crossorigin="true"
 ></script>
 ```
@@ -46,8 +46,8 @@
 
 | 镜像   | URL                                                                                       |
 | ------ | ----------------------------------------------------------------------------------------- |
-| Global | https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.2/dist/iife/page-agent.demo.js         |
-| China  | https://registry.npmmirror.com/page-agent/1.0.0-beta.2/files/dist/iife/page-agent.demo.js |
+| Global | https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.3/dist/iife/page-agent.demo.js         |
+| China  | https://registry.npmmirror.com/page-agent/1.0.0-beta.3/files/dist/iife/page-agent.demo.js |
 
 ### NPM 安装
 
diff --git a/README.md b/README.md
index 3cc2bbf..fbb1bdb 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Fastest way to try PageAgent:
 
 ```html
 <script
-    src="https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.2/dist/iife/page-agent.demo.js"
+    src="https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.3/dist/iife/page-agent.demo.js"
     crossorigin="true"
 ></script>
 ```
@@ -46,8 +46,8 @@ Fastest way to try PageAgent:
 
 | Mirrors | URL                                                                                       |
 | ------- | ----------------------------------------------------------------------------------------- |
-| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.2/dist/iife/page-agent.demo.js         |
-| China   | https://registry.npmmirror.com/page-agent/1.0.0-beta.2/files/dist/iife/page-agent.demo.js |
+| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.3/dist/iife/page-agent.demo.js         |
+| China   | https://registry.npmmirror.com/page-agent/1.0.0-beta.3/files/dist/iife/page-agent.demo.js |
 
 ### NPM Installation
 
diff --git a/package-lock.json b/package-lock.json
index 4030e4e..073f600 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "root",
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "root",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT",
             "workspaces": [
                 "packages/page-controller",
@@ -11628,11 +11628,11 @@
         },
         "packages/core": {
             "name": "@page-agent/core",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT",
             "dependencies": {
-                "@page-agent/llms": "1.0.0-beta.2",
-                "@page-agent/page-controller": "1.0.0-beta.2",
+                "@page-agent/llms": "1.0.0-beta.3",
+                "@page-agent/page-controller": "1.0.0-beta.3",
                 "chalk": "^5.6.2",
                 "zod": "^4.3.5"
             }
@@ -11684,7 +11684,7 @@
         },
         "packages/llms": {
             "name": "@page-agent/llms",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT",
             "dependencies": {
                 "chalk": "^5.6.2",
@@ -11692,20 +11692,20 @@
             }
         },
         "packages/page-agent": {
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT",
             "dependencies": {
-                "@page-agent/core": "1.0.0-beta.2",
-                "@page-agent/llms": "1.0.0-beta.2",
-                "@page-agent/page-controller": "1.0.0-beta.2",
-                "@page-agent/ui": "1.0.0-beta.2",
+                "@page-agent/core": "1.0.0-beta.3",
+                "@page-agent/llms": "1.0.0-beta.3",
+                "@page-agent/page-controller": "1.0.0-beta.3",
+                "@page-agent/ui": "1.0.0-beta.3",
                 "chalk": "^5.6.2",
                 "zod": "^4.3.5"
             }
         },
         "packages/page-controller": {
             "name": "@page-agent/page-controller",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT",
             "dependencies": {
                 "ai-motion": "^0.4.8"
@@ -11713,12 +11713,12 @@
         },
         "packages/ui": {
             "name": "@page-agent/ui",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "license": "MIT"
         },
         "packages/website": {
             "name": "@page-agent/website",
-            "version": "1.0.0-beta.2",
+            "version": "1.0.0-beta.3",
             "dependencies": {
                 "@radix-ui/react-icons": "^1.3.2",
                 "@radix-ui/react-separator": "^1.1.8",
diff --git a/package.json b/package.json
index da9e910..559985a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "root",
     "private": true,
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "workspaces": [
         "packages/page-controller",
diff --git a/packages/core/package.json b/packages/core/package.json
index 6cca22a..e9f33ea 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/core",
     "private": false,
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "main": "./dist/esm/page-agent-core.js",
     "module": "./dist/esm/page-agent-core.js",
@@ -45,7 +45,7 @@
     "dependencies": {
         "chalk": "^5.6.2",
         "zod": "^4.3.5",
-        "@page-agent/llms": "1.0.0-beta.2",
-        "@page-agent/page-controller": "1.0.0-beta.2"
+        "@page-agent/llms": "1.0.0-beta.3",
+        "@page-agent/page-controller": "1.0.0-beta.3"
     }
 }
diff --git a/packages/core/src/PageAgentCore.ts b/packages/core/src/PageAgentCore.ts
index 97afc1a..a8595ad 100644
--- a/packages/core/src/PageAgentCore.ts
+++ b/packages/core/src/PageAgentCore.ts
@@ -263,6 +263,7 @@ export class PageAgentCore extends EventTarget {
 
 				this.history.push({
 					type: 'step',
+					stepIndex: step,
 					reflection,
 					action,
 					usage: result.usage,
diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 91c94a0..57c8f9f 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -35,6 +35,7 @@ export interface MacroToolResult {
  */
 export interface AgentStep {
 	type: 'step'
+	stepIndex: number
 	reflection: Partial<AgentReflection>
 	action: {
 		name: string
diff --git a/packages/llms/package.json b/packages/llms/package.json
index ce9aca9..71caec1 100644
--- a/packages/llms/package.json
+++ b/packages/llms/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/llms",
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "main": "./dist/lib/page-agent-llms.js",
     "module": "./dist/lib/page-agent-llms.js",
diff --git a/packages/page-agent/package.json b/packages/page-agent/package.json
index fb90250..e30611a 100644
--- a/packages/page-agent/package.json
+++ b/packages/page-agent/package.json
@@ -1,7 +1,7 @@
 {
     "name": "page-agent",
     "private": false,
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "main": "./dist/esm/page-agent.js",
     "module": "./dist/esm/page-agent.js",
@@ -46,9 +46,9 @@
     "dependencies": {
         "chalk": "^5.6.2",
         "zod": "^4.3.5",
-        "@page-agent/llms": "1.0.0-beta.2",
-        "@page-agent/page-controller": "1.0.0-beta.2",
-        "@page-agent/core": "1.0.0-beta.2",
-        "@page-agent/ui": "1.0.0-beta.2"
+        "@page-agent/llms": "1.0.0-beta.3",
+        "@page-agent/page-controller": "1.0.0-beta.3",
+        "@page-agent/core": "1.0.0-beta.3",
+        "@page-agent/ui": "1.0.0-beta.3"
     }
 }
diff --git a/packages/page-controller/package.json b/packages/page-controller/package.json
index 653580b..ae21da2 100644
--- a/packages/page-controller/package.json
+++ b/packages/page-controller/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/page-controller",
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "main": "./dist/lib/page-controller.js",
     "module": "./dist/lib/page-controller.js",
diff --git a/packages/ui/package.json b/packages/ui/package.json
index 2c02547..f5e838e 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/ui",
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "main": "./dist/lib/page-agent-ui.js",
     "module": "./dist/lib/page-agent-ui.js",
diff --git a/packages/ui/src/panel/Panel.ts b/packages/ui/src/panel/Panel.ts
index 8b4b85f..8f8446f 100644
--- a/packages/ui/src/panel/Panel.ts
+++ b/packages/ui/src/panel/Panel.ts
@@ -563,9 +563,8 @@ export class Panel {
 
 		// 2. Render each history event
 		const history = this.#agent.history
-		for (let i = 0; i < history.length; i++) {
-			const event = history[i]
-			items.push(...this.#createHistoryCards(event, i + 1))
+		for (const event of history) {
+			items.push(...this.#createHistoryCards(event))
 		}
 
 		this.#historySection.innerHTML = items.join('')
@@ -577,14 +576,17 @@ export class Panel {
 	}
 
 	/** Create cards for a history event */
-	#createHistoryCards(event: PanelAgentAdapter['history'][number], stepNumber: number): string[] {
+	#createHistoryCards(event: PanelAgentAdapter['history'][number]): string[] {
 		const cards: string[] = []
 		const time = formatTime(this.#config.language ?? 'en-US')
-		const meta = this.#i18n.t('ui.panel.step', {
-			number: stepNumber.toString(),
-			time,
-			duration: '',
-		})
+		const meta =
+			event.type === 'step' && event.stepIndex !== undefined
+				? this.#i18n.t('ui.panel.step', {
+						number: (event.stepIndex + 1).toString(),
+						time,
+						duration: '',
+					})
+				: time
 
 		if (event.type === 'step') {
 			// Reflection card
diff --git a/packages/ui/src/panel/types.ts b/packages/ui/src/panel/types.ts
index 2f4298a..75af53e 100644
--- a/packages/ui/src/panel/types.ts
+++ b/packages/ui/src/panel/types.ts
@@ -34,6 +34,7 @@ export interface PanelAgentAdapter extends EventTarget {
 	/** History of agent events */
 	readonly history: readonly {
 		type: 'step' | 'observation' | 'user_takeover' | 'error'
+		stepIndex?: number
 		/** For 'step' type */
 		reflection?: {
 			evaluation_previous_goal?: string
diff --git a/packages/website/package.json b/packages/website/package.json
index 9fabc97..a718e7c 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/website",
     "private": true,
-    "version": "1.0.0-beta.2",
+    "version": "1.0.0-beta.3",
     "type": "module",
     "scripts": {
         "dev": "vite --host 0.0.0.0",
diff --git a/packages/website/src/constants.ts b/packages/website/src/constants.ts
index f24b8f7..10bb371 100644
--- a/packages/website/src/constants.ts
+++ b/packages/website/src/constants.ts
@@ -1,8 +1,8 @@
 // Demo build (auto-init with demo LLM, for quick testing)
 export const CDN_DEMO_URL =
-	'https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.2/dist/iife/page-agent.demo.js'
+	'https://cdn.jsdelivr.net/npm/page-agent@1.0.0-beta.3/dist/iife/page-agent.demo.js'
 export const CDN_DEMO_CN_URL =
-	'https://registry.npmmirror.com/page-agent/1.0.0-beta.2/files/dist/iife/page-agent.demo.js'
+	'https://registry.npmmirror.com/page-agent/1.0.0-beta.3/files/dist/iife/page-agent.demo.js'
 
 // Demo LLM for website testing
 export const DEMO_MODEL = 'PAGE-AGENT-FREE-TESTING-RANDOM'