diff --git a/README.md b/README.md
index 6642e41..30789db 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@
 </p>
 
 <p align="center"><strong>让聊天机器人轻松接入 DeepSeek Harness</strong></p>
+<p align="center"><strong>Connect IM bots to DeepSeek Harness with ease</strong></p>
 
 ## 中文
 
diff --git a/assets/logo-icon.png b/assets/logo-icon.png
new file mode 100644
index 0000000..d9f7f5f
Binary files /dev/null and b/assets/logo-icon.png differ
diff --git a/lib/client.js b/lib/client.js
index b02ee8a..ca78d52 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -366,7 +366,7 @@ var EN = Object.freeze({
   "IM\u673A\u5668\u4EBA": "IM bots",
   "IM\u673A\u5668\u4EBA\u8BBE\u7F6E": "IM bot settings",
   "IM \u6E20\u9053": "IM channels",
-  "\u8BA9\u804A\u5929\u673A\u5668\u4EBA\u8F7B\u677E\u63A5\u5165 DeepSeek Harness": "Connect chatbots to DeepSeek Harness with ease",
+  "\u8BA9\u804A\u5929\u673A\u5668\u4EBA\u8F7B\u677E\u63A5\u5165 DeepSeek Harness": "Connect IM bots to DeepSeek Harness with ease",
   "\u5E2E\u52A9\u4E0E\u53CD\u9988 \xB7 \u524D\u5F80 GitHub": "Help & feedback \xB7 Open GitHub",
   "\u5FAE\u4FE1": "WeChat",
   "\u98DE\u4E66": "Feishu",
@@ -7233,8 +7233,10 @@ var CSS10 = String.raw`
   box-sizing: border-box;
 }
 .dim-page *, .dim-page *::before, .dim-page *::after { box-sizing: border-box; }
-.dim-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 26px; }
-.dim-title p { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 20px; font-weight: 700; white-space: nowrap; }
+.dim-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 18px; }
+.dim-brand { min-width: 0; display: flex; align-items: center; gap: 12px; }
+.dim-brandLogo { width: 48px; height: 48px; flex: 0 0 48px; display: block; object-fit: contain; filter: grayscale(1) contrast(1.08); }
+.dim-title p { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 20px; font-weight: 600; white-space: nowrap; }
 .dim-githubAction { position: relative; display: inline-flex; flex: none; }
 .dim-githubLink { min-height: 30px; display: inline-flex; align-items: center; gap: 5px; flex: none; padding: 0 10px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-secondary, #646a73); background: var(--dsw-alias-bg-layer-1, #fff); font-size: 12px; line-height: normal; font-weight: 560; text-decoration: none; transition: border-color .15s ease, color .15s ease, background .15s ease; }
 .dim-githubLink:hover { border-color: #aeb3bb; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
@@ -7286,7 +7288,7 @@ var CSS10 = String.raw`
 .dim-panel .dim-credentialButton:hover:not(:disabled) { border-color: #4e5969; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-credentialButton[aria-pressed="true"] { border-color: #4e5969; background: var(--dsw-alias-bg-module-platform, #f2f3f5); box-shadow: inset 0 0 0 1px rgb(78 89 105 / 8%); }
 .dim-panel .bxf-headingTools .dim-onlineBadge, .dim-panel .dxw-tools .dim-onlineBadge, .dim-panel .ddt-tools .dim-onlineBadge { min-height: 30px; display: inline-flex; align-items: center; justify-self: end; gap: 0; padding: 0 11px; border: 0; border-radius: 999px; color: var(--dsw-alias-label-secondary, #646a73); background: var(--dsw-alias-bg-module-platform, #f2f3f5); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; white-space: nowrap; }
-.dim-panel .dim-channelPage { width: 100%; max-width: none; display: flex; flex-direction: column; gap: 18px; padding: 0 0 24px; color: var(--dsw-alias-label-primary, #1f2329); box-sizing: border-box; }
+.dim-panel .dim-channelPage { width: 100%; max-width: none; display: flex; flex-direction: column; gap: 12px; padding: 0 0 24px; color: var(--dsw-alias-label-primary, #1f2329); box-sizing: border-box; }
 .dim-panel .dim-surfaceCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
 .dim-panel .dim-surfaceCard::before { display: none; }
 .dim-panel .dim-surfaceBody { padding: 24px; }
@@ -7302,9 +7304,9 @@ var CSS10 = String.raw`
 .dim-panel .dim-credentialError { margin: 0; color: var(--dsw-alias-state-error-primary, #d54941); font-size: 12px; line-height: 1.5; }
 .dim-panel .dim-credentialActions { margin-top: 0; }
 .dim-panel .dim-listSection { display: flex; flex-direction: column; gap: 0; }
-.dim-panel .dim-listHeading { min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 2px 0 9px; padding: 0; }
+.dim-panel .dim-listHeading { min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 6px; padding: 0; }
 .dim-panel .dim-listHeading h3 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: normal; font-weight: 650; }
-.dim-panel .dim-botList { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
+.dim-panel .dim-botList { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
 .dim-panel .dim-loadingView { padding: 38px; color: var(--dsw-alias-label-secondary, #646a73); text-align: center; }
 .dim-panel .dim-loadingView h3 { margin: 0 0 7px; color: var(--dsw-alias-label-primary, #1f2329); font-size: 17px; line-height: normal; font-weight: 650; }
 .dim-panel .dim-loadingView p { margin: 0; line-height: 1.6; }
@@ -7352,7 +7354,7 @@ var CSS10 = String.raw`
 .dim-panel .dim-confirm { padding: 18px 24px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-confirm strong, .dim-panel .dim-confirm h4 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 1.4; font-weight: 650; }
 .dim-panel .dim-confirm p { margin: 7px 0 0; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.6; }
-.dim-panel .dim-cardFooter { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 12px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); }
+.dim-panel .dim-cardFooter { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 8px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); }
 .dim-panel .dim-cardSummary { min-width: 0; color: var(--dsw-alias-label-secondary, #646a73); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; }
 .dim-panel .dim-cardActions { flex: none; display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; margin: 0 0 0 auto; }
 .dim-panel .dim-cardActions .dim-cardAction { flex: none; min-height: 34px; padding: 0 13px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); font: inherit; font-size: 13px; font-weight: 560; line-height: normal; white-space: nowrap; }
@@ -7360,7 +7362,7 @@ var CSS10 = String.raw`
 .dim-panel .dim-cardActions .dim-cardAction[data-kind="danger"] { color: var(--dsw-alias-state-error-primary, #d54941); }
 .dim-panel .dim-botCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
 .dim-panel .dim-botCard::before { display: none; }
-.dim-panel .dim-botCardBody { position: relative; padding: 16px; }
+.dim-panel .dim-botCardBody { position: relative; padding: 14px; }
 .dim-panel .dim-botCardTop { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
 .dim-panel .dim-botIdentity { min-width: 0; display: flex; align-items: center; gap: 12px; }
 .dim-panel .dim-botAvatar { flex: none; width: 42px; height: 42px; display: grid; place-items: center; overflow: hidden; border-radius: 12px; box-shadow: none; }
@@ -7373,8 +7375,8 @@ var CSS10 = String.raw`
 .dim-panel .dim-botCard .dim-healthDot[data-tone="success"] { background: var(--dsw-alias-state-success-primary, #20a162); box-shadow: 0 0 0 3px color-mix(in srgb, var(--dsw-alias-state-success-primary, #20a162) 14%, transparent); }
 .dim-panel .dim-botCard .dim-healthDot[data-tone="warning"] { background: var(--dsw-alias-state-warn-primary, #d97706); }
 .dim-panel .dim-botCard .dim-healthDot[data-tone="error"] { background: var(--dsw-alias-state-error-primary, #d54941); }
-.dim-panel .dim-botMetrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
-.dim-panel .dim-botMetric { min-width: 0; padding: 10px; border: 0; border-radius: 9px; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
+.dim-panel .dim-botMetrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 8px 0; }
+.dim-panel .dim-botMetric { min-width: 0; padding: 8px; border: 0; border-radius: 9px; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-botMetric dt { margin: 0; color: var(--dsw-alias-label-tertiary, #8f959e); font-size: 11px; font-weight: 400; line-height: normal; }
 .dim-panel .dim-botMetric dd { overflow: hidden; margin: 5px 0 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 13px; font-weight: 400; line-height: normal; text-overflow: ellipsis; white-space: nowrap; }
 .dim-panel .dim-botCard .dim-cardFooter { margin-top: 0; }
@@ -7435,6 +7437,7 @@ function installImStyles() {
 // plugin-src/client/index.js
 var name = "im-settings";
 var inject = ["slots", "connection", "locale"];
+var IM_PLUGIN_LOGO_URL = "data:image/png;base64,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";
 var CHANNELS = Object.freeze([
   { id: "weixin", label: "\u5FAE\u4FE1" },
   { id: "feishu", label: "\u98DE\u4E66" },
@@ -7532,7 +7535,18 @@ function IMSettingsTab({
     h2(
       "header",
       { className: "dim-title" },
-      h2("p", null, "\u8BA9\u804A\u5929\u673A\u5668\u4EBA\u8F7B\u677E\u63A5\u5165 DeepSeek Harness"),
+      h2(
+        "div",
+        { className: "dim-brand" },
+        h2("img", {
+          className: "dim-brandLogo",
+          src: IM_PLUGIN_LOGO_URL,
+          alt: "dsh-im",
+          width: 48,
+          height: 48
+        }),
+        h2("p", null, "\u8BA9\u804A\u5929\u673A\u5668\u4EBA\u8F7B\u677E\u63A5\u5165 DeepSeek Harness")
+      ),
       h2(
         "span",
         { className: "dim-githubAction" },
diff --git a/plugin-src/client/build.mjs b/plugin-src/client/build.mjs
index 9fb1f30..24820aa 100644
--- a/plugin-src/client/build.mjs
+++ b/plugin-src/client/build.mjs
@@ -1,4 +1,4 @@
-import { mkdir, writeFile } from 'node:fs/promises';
+import { mkdir, readFile, writeFile } from 'node:fs/promises';
 import { dirname, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
@@ -8,6 +8,8 @@ const sourceDirectory = dirname(fileURLToPath(import.meta.url));
 const packageRoot = resolve(sourceDirectory, '../..');
 const outputPath = resolve(packageRoot, 'lib/client.js');
 const loaderId = process.env.DSH_IM_CLIENT_ID ?? '@xmanrui/dsh-im';
+const logoPath = resolve(packageRoot, 'assets/logo-icon.png');
+const logoDataUrl = `data:image/png;base64,${(await readFile(logoPath)).toString('base64')}`;
 
 const result = await build({
   entryPoints: [resolve(sourceDirectory, 'index.js')],
@@ -16,6 +18,9 @@ const result = await build({
   platform: 'browser',
   target: ['chrome100'],
   external: ['react'],
+  define: {
+    'globalThis.__DSH_IM_LOGO_DATA_URL__': JSON.stringify(logoDataUrl),
+  },
   write: false,
   minify: process.env.NODE_ENV === 'production',
   legalComments: 'none',
diff --git a/plugin-src/client/i18n.js b/plugin-src/client/i18n.js
index 29136b4..9f08262 100644
--- a/plugin-src/client/i18n.js
+++ b/plugin-src/client/i18n.js
@@ -7,7 +7,7 @@ const EN = Object.freeze({
   'IM机器人': 'IM bots',
   'IM机器人设置': 'IM bot settings',
   'IM 渠道': 'IM channels',
-  '让聊天机器人轻松接入 DeepSeek Harness': 'Connect chatbots to DeepSeek Harness with ease',
+  '让聊天机器人轻松接入 DeepSeek Harness': 'Connect IM bots to DeepSeek Harness with ease',
   '帮助与反馈 · 前往 GitHub': 'Help & feedback · Open GitHub',
   '微信': 'WeChat',
   '飞书': 'Feishu',
diff --git a/plugin-src/client/index.js b/plugin-src/client/index.js
index d110994..6717fae 100644
--- a/plugin-src/client/index.js
+++ b/plugin-src/client/index.js
@@ -43,6 +43,8 @@ import { installImStyles } from './styles.js';
 export const name = 'im-settings';
 export const inject = ['slots', 'connection', 'locale'];
 
+const IM_PLUGIN_LOGO_URL = globalThis.__DSH_IM_LOGO_DATA_URL__ ?? 'assets/logo-icon.png';
+
 const CHANNELS = Object.freeze([
   { id: 'weixin', label: '微信' },
   { id: 'feishu', label: '飞书' },
@@ -126,7 +128,15 @@ export function IMSettingsTab({
   const active = CHANNELS.find((channel) => channel.id === selected) ?? CHANNELS[0];
   return h('section', { className: 'dim-page', 'aria-label': 'IM机器人设置' },
     h('header', { className: 'dim-title' },
-      h('p', null, '让聊天机器人轻松接入 DeepSeek Harness'),
+      h('div', { className: 'dim-brand' },
+        h('img', {
+          className: 'dim-brandLogo',
+          src: IM_PLUGIN_LOGO_URL,
+          alt: 'dsh-im',
+          width: 48,
+          height: 48,
+        }),
+        h('p', null, '让聊天机器人轻松接入 DeepSeek Harness')),
       h('span', { className: 'dim-githubAction' },
         h('a', {
           className: 'dim-githubLink',
diff --git a/plugin-src/client/styles.js b/plugin-src/client/styles.js
index 9271b1a..b296b11 100644
--- a/plugin-src/client/styles.js
+++ b/plugin-src/client/styles.js
@@ -11,8 +11,10 @@ const CSS = String.raw`
   box-sizing: border-box;
 }
 .dim-page *, .dim-page *::before, .dim-page *::after { box-sizing: border-box; }
-.dim-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 26px; }
-.dim-title p { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 20px; font-weight: 700; white-space: nowrap; }
+.dim-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 18px; }
+.dim-brand { min-width: 0; display: flex; align-items: center; gap: 12px; }
+.dim-brandLogo { width: 48px; height: 48px; flex: 0 0 48px; display: block; object-fit: contain; filter: grayscale(1) contrast(1.08); }
+.dim-title p { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 20px; font-weight: 600; white-space: nowrap; }
 .dim-githubAction { position: relative; display: inline-flex; flex: none; }
 .dim-githubLink { min-height: 30px; display: inline-flex; align-items: center; gap: 5px; flex: none; padding: 0 10px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-secondary, #646a73); background: var(--dsw-alias-bg-layer-1, #fff); font-size: 12px; line-height: normal; font-weight: 560; text-decoration: none; transition: border-color .15s ease, color .15s ease, background .15s ease; }
 .dim-githubLink:hover { border-color: #aeb3bb; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
@@ -64,7 +66,7 @@ const CSS = String.raw`
 .dim-panel .dim-credentialButton:hover:not(:disabled) { border-color: #4e5969; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-credentialButton[aria-pressed="true"] { border-color: #4e5969; background: var(--dsw-alias-bg-module-platform, #f2f3f5); box-shadow: inset 0 0 0 1px rgb(78 89 105 / 8%); }
 .dim-panel .bxf-headingTools .dim-onlineBadge, .dim-panel .dxw-tools .dim-onlineBadge, .dim-panel .ddt-tools .dim-onlineBadge { min-height: 30px; display: inline-flex; align-items: center; justify-self: end; gap: 0; padding: 0 11px; border: 0; border-radius: 999px; color: var(--dsw-alias-label-secondary, #646a73); background: var(--dsw-alias-bg-module-platform, #f2f3f5); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; white-space: nowrap; }
-.dim-panel .dim-channelPage { width: 100%; max-width: none; display: flex; flex-direction: column; gap: 18px; padding: 0 0 24px; color: var(--dsw-alias-label-primary, #1f2329); box-sizing: border-box; }
+.dim-panel .dim-channelPage { width: 100%; max-width: none; display: flex; flex-direction: column; gap: 12px; padding: 0 0 24px; color: var(--dsw-alias-label-primary, #1f2329); box-sizing: border-box; }
 .dim-panel .dim-surfaceCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
 .dim-panel .dim-surfaceCard::before { display: none; }
 .dim-panel .dim-surfaceBody { padding: 24px; }
@@ -80,9 +82,9 @@ const CSS = String.raw`
 .dim-panel .dim-credentialError { margin: 0; color: var(--dsw-alias-state-error-primary, #d54941); font-size: 12px; line-height: 1.5; }
 .dim-panel .dim-credentialActions { margin-top: 0; }
 .dim-panel .dim-listSection { display: flex; flex-direction: column; gap: 0; }
-.dim-panel .dim-listHeading { min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 2px 0 9px; padding: 0; }
+.dim-panel .dim-listHeading { min-height: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 6px; padding: 0; }
 .dim-panel .dim-listHeading h3 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: normal; font-weight: 650; }
-.dim-panel .dim-botList { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
+.dim-panel .dim-botList { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
 .dim-panel .dim-loadingView { padding: 38px; color: var(--dsw-alias-label-secondary, #646a73); text-align: center; }
 .dim-panel .dim-loadingView h3 { margin: 0 0 7px; color: var(--dsw-alias-label-primary, #1f2329); font-size: 17px; line-height: normal; font-weight: 650; }
 .dim-panel .dim-loadingView p { margin: 0; line-height: 1.6; }
@@ -130,7 +132,7 @@ const CSS = String.raw`
 .dim-panel .dim-confirm { padding: 18px 24px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-confirm strong, .dim-panel .dim-confirm h4 { margin: 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 14px; line-height: 1.4; font-weight: 650; }
 .dim-panel .dim-confirm p { margin: 7px 0 0; color: var(--dsw-alias-label-secondary, #646a73); line-height: 1.6; }
-.dim-panel .dim-cardFooter { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 12px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); }
+.dim-panel .dim-cardFooter { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 8px; border-top: 1px solid var(--dsw-alias-border-l1, #eef0f3); }
 .dim-panel .dim-cardSummary { min-width: 0; color: var(--dsw-alias-label-secondary, #646a73); font: inherit; font-size: 12px; font-weight: 400; line-height: normal; }
 .dim-panel .dim-cardActions { flex: none; display: flex; align-items: center; flex-wrap: nowrap; gap: 8px; margin: 0 0 0 auto; }
 .dim-panel .dim-cardActions .dim-cardAction { flex: none; min-height: 34px; padding: 0 13px; border: 1px solid var(--dsw-alias-border-l2, #dfe1e5); border-radius: 8px; color: var(--dsw-alias-label-primary, #1f2329); background: var(--dsw-alias-bg-layer-1, #fff); font: inherit; font-size: 13px; font-weight: 560; line-height: normal; white-space: nowrap; }
@@ -138,7 +140,7 @@ const CSS = String.raw`
 .dim-panel .dim-cardActions .dim-cardAction[data-kind="danger"] { color: var(--dsw-alias-state-error-primary, #d54941); }
 .dim-panel .dim-botCard { position: relative; overflow: hidden; border: 1px solid var(--dsw-alias-border-l2, #e5e6eb); border-radius: 14px; background: var(--dsw-alias-bg-layer-1, #fff); box-shadow: 0 1px 2px rgb(31 35 41 / 3%); }
 .dim-panel .dim-botCard::before { display: none; }
-.dim-panel .dim-botCardBody { position: relative; padding: 16px; }
+.dim-panel .dim-botCardBody { position: relative; padding: 14px; }
 .dim-panel .dim-botCardTop { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
 .dim-panel .dim-botIdentity { min-width: 0; display: flex; align-items: center; gap: 12px; }
 .dim-panel .dim-botAvatar { flex: none; width: 42px; height: 42px; display: grid; place-items: center; overflow: hidden; border-radius: 12px; box-shadow: none; }
@@ -151,8 +153,8 @@ const CSS = String.raw`
 .dim-panel .dim-botCard .dim-healthDot[data-tone="success"] { background: var(--dsw-alias-state-success-primary, #20a162); box-shadow: 0 0 0 3px color-mix(in srgb, var(--dsw-alias-state-success-primary, #20a162) 14%, transparent); }
 .dim-panel .dim-botCard .dim-healthDot[data-tone="warning"] { background: var(--dsw-alias-state-warn-primary, #d97706); }
 .dim-panel .dim-botCard .dim-healthDot[data-tone="error"] { background: var(--dsw-alias-state-error-primary, #d54941); }
-.dim-panel .dim-botMetrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 12px 0; }
-.dim-panel .dim-botMetric { min-width: 0; padding: 10px; border: 0; border-radius: 9px; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
+.dim-panel .dim-botMetrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 8px 0; }
+.dim-panel .dim-botMetric { min-width: 0; padding: 8px; border: 0; border-radius: 9px; background: var(--dsw-alias-interactive-bg-hover, #f7f8fa); }
 .dim-panel .dim-botMetric dt { margin: 0; color: var(--dsw-alias-label-tertiary, #8f959e); font-size: 11px; font-weight: 400; line-height: normal; }
 .dim-panel .dim-botMetric dd { overflow: hidden; margin: 5px 0 0; color: var(--dsw-alias-label-primary, #1f2329); font-size: 13px; font-weight: 400; line-height: normal; text-overflow: ellipsis; white-space: nowrap; }
 .dim-panel .dim-botCard .dim-cardFooter { margin-top: 0; }
diff --git a/test/client-ui.test.mjs b/test/client-ui.test.mjs
index cb8d0ec..0f69fd0 100644
--- a/test/client-ui.test.mjs
+++ b/test/client-ui.test.mjs
@@ -112,13 +112,18 @@ test('IM settings renders nine compact logo channel tabs without enable switches
 
   assert.match(markup, /IM机器人/);
   assert.match(markup, /让聊天机器人轻松接入 DeepSeek Harness/);
+  assert.match(markup, /class="dim-brand"/);
+  assert.match(markup, /<img class="dim-brandLogo" src="assets\/logo-icon\.png" alt="dsh-im" width="48" height="48"\/>/);
   assert.match(markup, /href="https:\/\/github\.com\/xmanrui\/dsh-im"/);
   assert.match(markup, /target="_blank"/);
   assert.match(markup, /rel="noopener noreferrer"/);
   assert.match(markup, /aria-label="dsh-im GitHub"/);
   assert.match(markup, /aria-describedby="[^"]+"/);
   assert.match(markup, /role="tooltip"[^>]*>帮助与反馈 · 前往 GitHub</);
-  assert.match(styles, /\.dim-title p \{[^}]*color: var\(--dsw-alias-label-primary, #1f2329\);[^}]*font-size: 14px;[^}]*font-weight: 700;/);
+  assert.match(styles, /\.dim-title \{[^}]*margin: 0 0 18px;/);
+  assert.match(styles, /\.dim-title p \{[^}]*color: var\(--dsw-alias-label-primary, #1f2329\);[^}]*font-size: 14px;[^}]*font-weight: 600;/);
+  assert.match(styles, /\.dim-brand \{[^}]*display: flex;[^}]*align-items: center;[^}]*gap: 12px;/);
+  assert.match(styles, /\.dim-brandLogo \{[^}]*width: 48px;[^}]*height: 48px;[^}]*object-fit: contain;[^}]*filter: grayscale\(1\) contrast\(1\.08\);/);
   assert.match(styles, /\.dim-githubLink \{[^}]*border: 1px solid var\(--dsw-alias-border-l2, #dfe1e5\);[^}]*text-decoration: none;/);
   assert.match(styles, /\.dim-githubTooltip \{[^}]*bottom: calc\(100% \+ 8px\);[^}]*transform: translateY\(3px\);/);
   assert.match(styles, /\.dim-githubAction:hover \.dim-githubTooltip, \.dim-githubAction:focus-within \.dim-githubTooltip \{[^}]*opacity: 1;[^}]*visibility: visible;/);
@@ -394,7 +399,9 @@ test('all channel settings states use the DingTalk page treatment', async () =>
     }
   }
 
-  assert.match(styles, /\.dim-panel \.dim-channelPage \{[^}]*flex-direction: column;[^}]*gap: 18px;/);
+  assert.match(styles, /\.dim-panel \.dim-channelPage \{[^}]*flex-direction: column;[^}]*gap: 12px;/);
+  assert.match(styles, /\.dim-panel \.dim-listHeading \{[^}]*margin: 0 0 6px;/);
+  assert.match(styles, /\.dim-panel \.dim-botList \{[^}]*gap: 8px;/);
   assert.match(styles, /\.dim-panel \.dim-surfaceCard \{[^}]*border-radius: 14px;[^}]*box-shadow: 0 1px 2px/);
   assert.match(styles, /\.dim-panel \.dim-loadingView \{[^}]*padding: 38px;[^}]*text-align: center;/);
   assert.match(styles, /\.dim-panel \.dim-emptyView \{[^}]*grid-template-columns: minmax\(0, 1fr\) 180px;[^}]*gap: 30px;/);
@@ -490,7 +497,7 @@ test('all channel card action buttons stay on one row', async () => {
   assert.match(feishuStyles, /\.bxf-botActions \{[^}]*flex-wrap: nowrap;/);
   assert.match(weixinStyles, /\.dxw-accountFooter \.dxw-actions \{[^}]*flex-wrap: nowrap;/);
   assert.match(dingtalkStyles, /\.ddt-accountFooter \.ddt-actions \{[^}]*flex-wrap: nowrap;/);
-  assert.match(imStyles, /\.dim-panel \.dim-cardFooter \{[^}]*gap: 15px;[^}]*padding-top: 12px;[^}]*border-top: 1px solid/);
+  assert.match(imStyles, /\.dim-panel \.dim-cardFooter \{[^}]*gap: 15px;[^}]*padding-top: 8px;[^}]*border-top: 1px solid/);
   assert.match(imStyles, /\.dim-panel \.dim-cardActions \.dim-cardAction \{[^}]*min-height: 34px;[^}]*border-radius: 8px;[^}]*font-size: 13px;/);
   assert.match(imStyles, /\.dim-panel \.dim-cardActions \.dim-cardAction\[data-kind="danger"\] \{[^}]*#d54941/);
   assert.doesNotMatch(feishuStyles, /\.bxf-connectedFooter \{[^}]*flex-direction: column/);
@@ -502,13 +509,13 @@ test('all channel bot cards use the DingTalk card treatment', async () => {
   const styles = await readFile(STYLES_URL, 'utf8');
 
   assert.match(styles, /\.dim-panel \.dim-botCard \{[^}]*border-radius: 14px;[^}]*background: var\(--dsw-alias-bg-layer-1, #fff\);[^}]*box-shadow: 0 1px 2px/);
-  assert.match(styles, /\.dim-panel \.dim-botCardBody \{[^}]*padding: 16px;/);
+  assert.match(styles, /\.dim-panel \.dim-botCardBody \{[^}]*padding: 14px;/);
   assert.match(styles, /\.dim-panel \.dim-botCardTop \{[^}]*align-items: flex-start;[^}]*gap: 16px;/);
   assert.match(styles, /\.dim-panel \.dim-botAvatar \{[^}]*width: 42px;[^}]*height: 42px;[^}]*border-radius: 12px;/);
   assert.match(styles, /\.dim-panel \.dim-botName h3 \{[^}]*font-size: 15px;/);
   assert.match(styles, /\.dim-panel \.dim-botCard \.dim-botHealth \{[^}]*background: transparent;[^}]*font-size: 12px;[^}]*font-weight: 400;/);
-  assert.match(styles, /\.dim-panel \.dim-botMetrics \{[^}]*grid-template-columns: repeat\(2, minmax\(0, 1fr\)\);[^}]*gap: 10px;[^}]*margin: 12px 0;/);
-  assert.match(styles, /\.dim-panel \.dim-botMetric \{[^}]*padding: 10px;[^}]*border: 0;[^}]*border-radius: 9px;/);
+  assert.match(styles, /\.dim-panel \.dim-botMetrics \{[^}]*grid-template-columns: repeat\(2, minmax\(0, 1fr\)\);[^}]*gap: 10px;[^}]*margin: 8px 0;/);
+  assert.match(styles, /\.dim-panel \.dim-botMetric \{[^}]*padding: 8px;[^}]*border: 0;[^}]*border-radius: 9px;/);
   assert.match(styles, /\.dim-panel \.dim-botMetric dd \{[^}]*margin: 5px 0 0;[^}]*font-size: 13px;[^}]*font-weight: 400;/);
 });
 
@@ -599,7 +606,7 @@ test('client registers a live bilingual locale seat for the IM settings tab', ()
       registrations[0].component,
       registrations[0].options.inject(),
     ));
-    assert.match(markup, /Connect chatbots to DeepSeek Harness with ease/);
+    assert.match(markup, /Connect IM bots to DeepSeek Harness with ease/);
     assert.match(markup, /Help &amp; feedback · Open GitHub/);
     assert.match(markup, />WeChat<|>Feishu<|>DingTalk<|>WeCom</);
     assert.match(markup, />QQ<[^]*>Slack<[^]*>Telegram<[^]*>Discord<[^]*>WhatsApp</);