diff --git a/.changeset/composer-send-arrow.md b/.changeset/composer-send-arrow.md
new file mode 100644
index 000000000..d11aa7a7e
--- /dev/null
+++ b/.changeset/composer-send-arrow.md
@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Show an up arrow on the web composer send button.
diff --git a/apps/kimi-web/design/design-system.html b/apps/kimi-web/design/design-system.html
index f41fc9cdc..41fa3e2d2 100644
--- a/apps/kimi-web/design/design-system.html
+++ b/apps/kimi-web/design/design-system.html
@@ -1062,7 +1062,7 @@
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M10 6v2H5v11h11v-5h2v6a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm11-3v8h-2V6.413l-7.793 7.794l-1.414-1.414L17.585 5H13V3z"/></svg><span class="ic-name">external-link</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M3 19h18v2H3zm10-5.828L19.071 7.1l1.414 1.414L12 17L3.515 8.515L4.929 7.1L11 13.173V2h2z"/></svg><span class="ic-name">download</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="m5.828 7l2.536 2.535L6.95 10.95L2 6l4.95-4.95l1.414 1.415L5.828 5H13a8 8 0 1 1 0 16H4v-2h9a6 6 0 0 0 0-12z"/></svg><span class="ic-name">undo</span></div>
-          <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="m21.727 2.957l-5.454 19.086c-.15.529-.475.553-.717.07L11 13L1.923 9.37c-.51-.205-.503-.51.034-.689L21.043 2.32c.529-.176.832.12.684.638m-2.692 2.14L6.812 9.17l5.637 2.255l3.04 6.08z"/></svg><span class="ic-name">send</span></div>
+          <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M13 7.828V20h-2V7.828l-5.364 5.364l-1.414-1.414L12 4l7.778 7.778l-1.414 1.414z"/></svg><span class="ic-name">send</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M2.992 21A.993.993 0 0 1 2 20.007V3.993A1 1 0 0 1 2.992 3h18.016c.548 0 .992.445.992.993v16.014a1 1 0 0 1-.992.993zM20 15V5H4v14L14 9zm0 2.828l-6-6L6.828 19H20zM8 11a2 2 0 1 1 0-4a2 2 0 0 1 0 4"/></svg><span class="ic-name">image</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M3.34 17a10 10 0 0 1-.979-2.326a3 3 0 0 0 .003-5.347a10 10 0 0 1 2.5-4.337a3 3 0 0 0 4.632-2.674a10 10 0 0 1 5.007.003a3 3 0 0 0 4.632 2.671a10.06 10.06 0 0 1 2.503 4.336a3 3 0 0 0-.002 5.347a10 10 0 0 1-2.501 4.337a3 3 0 0 0-4.632 2.674a10 10 0 0 1-5.007-.002a3 3 0 0 0-4.631-2.672A10 10 0 0 1 3.339 17m5.66.196a5 5 0 0 1 2.25 2.77q.75.07 1.499.002a5 5 0 0 1 2.25-2.772a5 5 0 0 1 3.526-.564q.435-.614.748-1.298A5 5 0 0 1 18 12c0-1.26.47-2.437 1.273-3.334a8 8 0 0 0-.75-1.298A5 5 0 0 1 15 6.804a5 5 0 0 1-2.25-2.77q-.75-.071-1.5-.001A5 5 0 0 1 9 6.804a5 5 0 0 1-3.526.564q-.436.614-.747 1.298A5 5 0 0 1 6 12c0 1.26-.471 2.437-1.273 3.334a8 8 0 0 0 .75 1.298A5 5 0 0 1 9 17.196M12 15a3 3 0 1 1 0-6a3 3 0 0 1 0 6m0-2a1 1 0 1 0 0-2a1 1 0 0 0 0 2"/></svg><span class="ic-name">settings</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M6.17 18a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2v-2zm6-7a3.001 3.001 0 0 1 5.66 0H22v2h-4.17a3.001 3.001 0 0 1-5.66 0H2v-2zm-6-7a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2V4zM9 6a1 1 0 1 0 0-2a1 1 0 0 0 0 2m6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2m-6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2"/></svg><span class="ic-name">sliders</span></div>
diff --git a/apps/kimi-web/public/design-system.html b/apps/kimi-web/public/design-system.html
index f41fc9cdc..41fa3e2d2 100644
--- a/apps/kimi-web/public/design-system.html
+++ b/apps/kimi-web/public/design-system.html
@@ -1062,7 +1062,7 @@
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M10 6v2H5v11h11v-5h2v6a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm11-3v8h-2V6.413l-7.793 7.794l-1.414-1.414L17.585 5H13V3z"/></svg><span class="ic-name">external-link</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M3 19h18v2H3zm10-5.828L19.071 7.1l1.414 1.414L12 17L3.515 8.515L4.929 7.1L11 13.173V2h2z"/></svg><span class="ic-name">download</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="m5.828 7l2.536 2.535L6.95 10.95L2 6l4.95-4.95l1.414 1.415L5.828 5H13a8 8 0 1 1 0 16H4v-2h9a6 6 0 0 0 0-12z"/></svg><span class="ic-name">undo</span></div>
-          <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="m21.727 2.957l-5.454 19.086c-.15.529-.475.553-.717.07L11 13L1.923 9.37c-.51-.205-.503-.51.034-.689L21.043 2.32c.529-.176.832.12.684.638m-2.692 2.14L6.812 9.17l5.637 2.255l3.04 6.08z"/></svg><span class="ic-name">send</span></div>
+          <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M13 7.828V20h-2V7.828l-5.364 5.364l-1.414-1.414L12 4l7.778 7.778l-1.414 1.414z"/></svg><span class="ic-name">send</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M2.992 21A.993.993 0 0 1 2 20.007V3.993A1 1 0 0 1 2.992 3h18.016c.548 0 .992.445.992.993v16.014a1 1 0 0 1-.992.993zM20 15V5H4v14L14 9zm0 2.828l-6-6L6.828 19H20zM8 11a2 2 0 1 1 0-4a2 2 0 0 1 0 4"/></svg><span class="ic-name">image</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M3.34 17a10 10 0 0 1-.979-2.326a3 3 0 0 0 .003-5.347a10 10 0 0 1 2.5-4.337a3 3 0 0 0 4.632-2.674a10 10 0 0 1 5.007.003a3 3 0 0 0 4.632 2.671a10.06 10.06 0 0 1 2.503 4.336a3 3 0 0 0-.002 5.347a10 10 0 0 1-2.501 4.337a3 3 0 0 0-4.632 2.674a10 10 0 0 1-5.007-.002a3 3 0 0 0-4.631-2.672A10 10 0 0 1 3.339 17m5.66.196a5 5 0 0 1 2.25 2.77q.75.07 1.499.002a5 5 0 0 1 2.25-2.772a5 5 0 0 1 3.526-.564q.435-.614.748-1.298A5 5 0 0 1 18 12c0-1.26.47-2.437 1.273-3.334a8 8 0 0 0-.75-1.298A5 5 0 0 1 15 6.804a5 5 0 0 1-2.25-2.77q-.75-.071-1.5-.001A5 5 0 0 1 9 6.804a5 5 0 0 1-3.526.564q-.436.614-.747 1.298A5 5 0 0 1 6 12c0 1.26-.471 2.437-1.273 3.334a8 8 0 0 0 .75 1.298A5 5 0 0 1 9 17.196M12 15a3 3 0 1 1 0-6a3 3 0 0 1 0 6m0-2a1 1 0 1 0 0-2a1 1 0 0 0 0 2"/></svg><span class="ic-name">settings</span></div>
           <div class="icon-cell"><svg class="p-ic" viewBox="0 0 24 24" fill="currentColor"><path fill="currentColor" d="M6.17 18a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2v-2zm6-7a3.001 3.001 0 0 1 5.66 0H22v2h-4.17a3.001 3.001 0 0 1-5.66 0H2v-2zm-6-7a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2V4zM9 6a1 1 0 1 0 0-2a1 1 0 0 0 0 2m6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2m-6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2"/></svg><span class="ic-name">sliders</span></div>
diff --git a/apps/kimi-web/scripts/gen-icon-data.mjs b/apps/kimi-web/scripts/gen-icon-data.mjs
index 49ed7dc45..d228a8d03 100644
--- a/apps/kimi-web/scripts/gen-icon-data.mjs
+++ b/apps/kimi-web/scripts/gen-icon-data.mjs
@@ -34,7 +34,7 @@ const GROUPS = [
     'external-link': 'external-link-line',
     download: 'download-line',
     undo: 'arrow-go-back-line',
-    send: 'send-plane-line',
+    send: 'arrow-up-line',
     image: 'image-line',
     settings: 'settings-3-line',
     sliders: 'equalizer-line',
diff --git a/apps/kimi-web/src/lib/icon-data.ts b/apps/kimi-web/src/lib/icon-data.ts
index 54a7a3647..39162a66a 100644
--- a/apps/kimi-web/src/lib/icon-data.ts
+++ b/apps/kimi-web/src/lib/icon-data.ts
@@ -83,7 +83,7 @@ export const NAME_TO_REMIX: Record<IconName, string> = {
   "external-link": "ri:external-link-line",
   download: "ri:download-line",
   undo: "ri:arrow-go-back-line",
-  send: "ri:send-plane-line",
+  send: "ri:arrow-up-line",
   image: "ri:image-line",
   settings: "ri:settings-3-line",
   sliders: "ri:equalizer-line",
@@ -145,7 +145,7 @@ export const ICON_DATA: Record<IconName, IconData> = {
   "external-link": { body: "<path fill=\"currentColor\" d=\"M10 6v2H5v11h11v-5h2v6a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V7a1 1 0 0 1 1-1zm11-3v8h-2V6.413l-7.793 7.794l-1.414-1.414L17.585 5H13V3z\"/>", width: 24, height: 24 },
   download: { body: "<path fill=\"currentColor\" d=\"M3 19h18v2H3zm10-5.828L19.071 7.1l1.414 1.414L12 17L3.515 8.515L4.929 7.1L11 13.173V2h2z\"/>", width: 24, height: 24 },
   undo: { body: "<path fill=\"currentColor\" d=\"m5.828 7l2.536 2.535L6.95 10.95L2 6l4.95-4.95l1.414 1.415L5.828 5H13a8 8 0 1 1 0 16H4v-2h9a6 6 0 0 0 0-12z\"/>", width: 24, height: 24 },
-  send: { body: "<path fill=\"currentColor\" d=\"m21.727 2.957l-5.454 19.086c-.15.529-.475.553-.717.07L11 13L1.923 9.37c-.51-.205-.503-.51.034-.689L21.043 2.32c.529-.176.832.12.684.638m-2.692 2.14L6.812 9.17l5.637 2.255l3.04 6.08z\"/>", width: 24, height: 24 },
+  send: { body: "<path fill=\"currentColor\" d=\"M13 7.828V20h-2V7.828l-5.364 5.364l-1.414-1.414L12 4l7.778 7.778l-1.414 1.414z\"/>", width: 24, height: 24 },
   image: { body: "<path fill=\"currentColor\" d=\"M2.992 21A.993.993 0 0 1 2 20.007V3.993A1 1 0 0 1 2.992 3h18.016c.548 0 .992.445.992.993v16.014a1 1 0 0 1-.992.993zM20 15V5H4v14L14 9zm0 2.828l-6-6L6.828 19H20zM8 11a2 2 0 1 1 0-4a2 2 0 0 1 0 4\"/>", width: 24, height: 24 },
   settings: { body: "<path fill=\"currentColor\" d=\"M3.34 17a10 10 0 0 1-.979-2.326a3 3 0 0 0 .003-5.347a10 10 0 0 1 2.5-4.337a3 3 0 0 0 4.632-2.674a10 10 0 0 1 5.007.003a3 3 0 0 0 4.632 2.671a10.06 10.06 0 0 1 2.503 4.336a3 3 0 0 0-.002 5.347a10 10 0 0 1-2.501 4.337a3 3 0 0 0-4.632 2.674a10 10 0 0 1-5.007-.002a3 3 0 0 0-4.631-2.672A10 10 0 0 1 3.339 17m5.66.196a5 5 0 0 1 2.25 2.77q.75.07 1.499.002a5 5 0 0 1 2.25-2.772a5 5 0 0 1 3.526-.564q.435-.614.748-1.298A5 5 0 0 1 18 12c0-1.26.47-2.437 1.273-3.334a8 8 0 0 0-.75-1.298A5 5 0 0 1 15 6.804a5 5 0 0 1-2.25-2.77q-.75-.071-1.5-.001A5 5 0 0 1 9 6.804a5 5 0 0 1-3.526.564q-.436.614-.747 1.298A5 5 0 0 1 6 12c0 1.26-.471 2.437-1.273 3.334a8 8 0 0 0 .75 1.298A5 5 0 0 1 9 17.196M12 15a3 3 0 1 1 0-6a3 3 0 0 1 0 6m0-2a1 1 0 1 0 0-2a1 1 0 0 0 0 2\"/>", width: 24, height: 24 },
   sliders: { body: "<path fill=\"currentColor\" d=\"M6.17 18a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2v-2zm6-7a3.001 3.001 0 0 1 5.66 0H22v2h-4.17a3.001 3.001 0 0 1-5.66 0H2v-2zm-6-7a3.001 3.001 0 0 1 5.66 0H22v2H11.83a3.001 3.001 0 0 1-5.66 0H2V4zM9 6a1 1 0 1 0 0-2a1 1 0 0 0 0 2m6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2m-6 7a1 1 0 1 0 0-2a1 1 0 0 0 0 2\"/>", width: 24, height: 24 },