diff --git a/components/MobileSidebar.tsx b/components/MobileSidebar.tsx
index 13747c3..c951213 100644
--- a/components/MobileSidebar.tsx
+++ b/components/MobileSidebar.tsx
@@ -109,23 +109,16 @@ export function MobileSidebar({
               }}
             />
           ) : (
-            <span
+            <img
+              src="/clawport-logo.png"
+              alt=""
               style={{
-                width: '24px',
-                height: '24px',
-                borderRadius: '6px',
-                background: settings.accentColor
-                  ? `linear-gradient(135deg, ${settings.accentColor}, ${settings.accentColor}dd)`
-                  : 'transparent',
-                display: 'flex',
-                alignItems: 'center',
-                justifyContent: 'center',
-                fontSize: '13px',
+                width: '48px',
+                height: '48px',
+                objectFit: 'contain',
                 flexShrink: 0,
               }}
-            >
-              {settings.portalEmoji ?? '\ud83e\udd9e'}
-            </span>
+            />
           )}
           <span
             style={{
@@ -198,24 +191,16 @@ export function MobileSidebar({
                 }}
               />
             ) : (
-              <div
+              <img
+                src="/clawport-logo.png"
+                alt=""
                 style={{
-                  width: '36px',
-                  height: '36px',
-                  borderRadius: '10px',
-                  background: settings.accentColor
-                    ? `linear-gradient(135deg, ${settings.accentColor}, ${settings.accentColor}dd)`
-                    : 'transparent',
-                  boxShadow: 'var(--shadow-card)',
-                  display: 'flex',
-                  alignItems: 'center',
-                  justifyContent: 'center',
-                  fontSize: '18px',
+                  width: '72px',
+                  height: '72px',
+                  objectFit: 'contain',
                   flexShrink: 0,
                 }}
-              >
-                {settings.portalEmoji ?? '\ud83e\udd9e'}
-              </div>
+              />
             )}
             <div>
               <div
diff --git a/components/Sidebar.tsx b/components/Sidebar.tsx
index 3c0c1cd..750baf6 100644
--- a/components/Sidebar.tsx
+++ b/components/Sidebar.tsx
@@ -51,26 +51,16 @@ export function Sidebar() {
                 }}
               />
             ) : (
-              <div
+              <img
+                src="/clawport-logo.png"
+                alt=""
                 style={{
-                  width: '36px',
-                  height: '36px',
-                  borderRadius: '10px',
-                  background: settings.iconBgHidden
-                    ? 'transparent'
-                    : settings.accentColor
-                      ? `linear-gradient(135deg, ${settings.accentColor}, ${settings.accentColor}dd)`
-                      : 'transparent',
-                  boxShadow: settings.iconBgHidden ? 'none' : 'var(--shadow-card)',
-                  display: 'flex',
-                  alignItems: 'center',
-                  justifyContent: 'center',
-                  fontSize: settings.iconBgHidden ? '28px' : '18px',
+                  width: '72px',
+                  height: '72px',
+                  objectFit: 'contain',
                   flexShrink: 0,
                 }}
-              >
-                {settings.portalEmoji ?? '\ud83e\udd9e'}
-              </div>
+              />
             )}
             <div>
               <div
diff --git a/components/chat/ConversationView.tsx b/components/chat/ConversationView.tsx
index 70ba56b..fe6f28c 100644
--- a/components/chat/ConversationView.tsx
+++ b/components/chat/ConversationView.tsx
@@ -5,6 +5,7 @@ import type { Agent } from '@/lib/types'
 import type { Conversation, ConversationStore, Message, MediaAttachment } from '@/lib/conversations'
 import { parseMedia, addMessage, updateLastMessage } from '@/lib/conversations'
 import { buildApiContent } from '@/lib/multimodal'
+import { generateId } from '@/lib/id'
 import { useSettings } from '@/app/settings-provider'
 import { FileAttachment } from './FileAttachment'
 import { MediaPreview } from './MediaPreview'
@@ -329,14 +330,14 @@ export function ConversationView({ agent, conversation, onUpdate, onBack }: Conv
     }
 
     const userMsg: Message = {
-      id: crypto.randomUUID(),
+      id: generateId(),
       role: 'user',
       content,
       timestamp: Date.now(),
       media: hasMedia ? mediaToSend : undefined,
     }
 
-    const assistantMsgId = crypto.randomUUID()
+    const assistantMsgId = generateId()
     const assistantMsg: Message = {
       id: assistantMsgId,
       role: 'assistant',
@@ -572,7 +573,7 @@ export function ConversationView({ agent, conversation, onUpdate, onBack }: Conv
       [agent.id]: {
         agentId: agent.id,
         messages: [{
-          id: crypto.randomUUID(),
+          id: generateId(),
           role: 'assistant' as const,
           content: `I'm ${agent.name}. ${agent.description} What do you need?`,
           timestamp: Date.now(),
diff --git a/components/kanban/TicketDetailPanel.tsx b/components/kanban/TicketDetailPanel.tsx
index 78c5c7b..46df321 100644
--- a/components/kanban/TicketDetailPanel.tsx
+++ b/components/kanban/TicketDetailPanel.tsx
@@ -6,6 +6,7 @@ import type { Agent } from '@/lib/types'
 import type { KanbanTicket, TicketStatus, TicketPriority } from '@/lib/kanban/types'
 import { PRIORITY_COLORS, ROLE_LABELS, COLUMNS } from '@/lib/kanban/types'
 import { AgentAvatar } from '@/components/AgentAvatar'
+import { generateId } from '@/lib/id'
 
 /* ── Chat message type (local to kanban) ─────────────── */
 
@@ -249,13 +250,13 @@ export function TicketDetailPanel({
     if (!text || isStreaming || !agent) return
 
     const userMsg: ChatMessage = {
-      id: crypto.randomUUID(),
+      id: generateId(),
       role: 'user',
       content: text,
       timestamp: Date.now(),
     }
 
-    const assistantMsgId = crypto.randomUUID()
+    const assistantMsgId = generateId()
     const assistantMsg: ChatMessage = {
       id: assistantMsgId,
       role: 'assistant',
diff --git a/lib/conversations.ts b/lib/conversations.ts
index 7e2b244..cef5fe5 100644
--- a/lib/conversations.ts
+++ b/lib/conversations.ts
@@ -1,6 +1,7 @@
 'use client'
 
 import type { Agent } from './types'
+import { generateId } from './id'
 
 export type MediaType = 'image' | 'audio' | 'file'
 
@@ -56,7 +57,7 @@ export function getOrCreateConversation(store: ConversationStore, agent: Agent):
   return {
     agentId: agent.id,
     messages: [{
-      id: crypto.randomUUID(),
+      id: generateId(),
       role: 'assistant',
       content: `I'm ${agent.name}. ${agent.description} What do you need?`,
       timestamp: Date.now(),
diff --git a/lib/id.ts b/lib/id.ts
new file mode 100644
index 0000000..0898535
--- /dev/null
+++ b/lib/id.ts
@@ -0,0 +1,15 @@
+/**
+ * Generate a unique ID, with a fallback for non-secure contexts
+ * where crypto.randomUUID() is not available (e.g. HTTP, older browsers).
+ */
+export function generateId(): string {
+  if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
+    return crypto.randomUUID()
+  }
+  // Fallback: generate a UUID v4-like string
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+    const r = (Math.random() * 16) | 0
+    const v = c === 'x' ? r : (r & 0x3) | 0x8
+    return v.toString(16)
+  })
+}
diff --git a/lib/kanban/automation.ts b/lib/kanban/automation.ts
index 84b2195..eb618be 100644
--- a/lib/kanban/automation.ts
+++ b/lib/kanban/automation.ts
@@ -1,6 +1,7 @@
 'use client'
 
 import type { KanbanTicket, TeamRole } from './types'
+import { generateId } from '../id'
 
 /* ── Role-specific work prompts ──────────────────────── */
 
@@ -159,8 +160,8 @@ export function persistWorkChat(
 ): void {
   const now = Date.now()
   const messages = [
-    { id: crypto.randomUUID(), role: 'user' as const, content: prompt, timestamp: now },
-    { id: crypto.randomUUID(), role: 'assistant' as const, content: response, timestamp: now + 1 },
+    { id: generateId(), role: 'user' as const, content: prompt, timestamp: now },
+    { id: generateId(), role: 'assistant' as const, content: response, timestamp: now + 1 },
   ]
 
   fetch(`/api/kanban/chat-history/${ticketId}`, {
diff --git a/lib/kanban/store.ts b/lib/kanban/store.ts
index e1e9788..150877c 100644
--- a/lib/kanban/store.ts
+++ b/lib/kanban/store.ts
@@ -1,6 +1,7 @@
 'use client'
 
 import type { KanbanTicket, TicketStatus, TicketPriority, WorkState } from './types'
+import { generateId } from '../id'
 
 export type KanbanStore = Record<string, KanbanTicket>
 
@@ -82,7 +83,7 @@ export function createTicket(
     workResult?: KanbanTicket['workResult']
   },
 ): KanbanStore {
-  const id = crypto.randomUUID()
+  const id = generateId()
   const now = Date.now()
   return {
     ...store,
diff --git a/package-lock.json b/package-lock.json
index 2a13011..a008a11 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "clawport-ui",
-  "version": "0.5.5",
+  "version": "0.6.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "clawport-ui",
-      "version": "0.5.5",
+      "version": "0.6.1",
       "license": "MIT",
       "dependencies": {
         "@dagrejs/dagre": "^2.0.4",
diff --git a/package.json b/package.json
index 4c80474..81655b3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "clawport-ui",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "Open-source dashboard for managing, monitoring, and chatting with your OpenClaw AI agents.",
   "homepage": "https://clawport.dev",
   "repository": {
diff --git a/public/clawport-logo.png b/public/clawport-logo.png
new file mode 100644
index 0000000..f332319
Binary files /dev/null and b/public/clawport-logo.png differ