diff --git a/surfaces/gui/src/providers/logos.ts b/surfaces/gui/src/providers/logos.ts
index 093c4fdd..028e0b3b 100644
--- a/surfaces/gui/src/providers/logos.ts
+++ b/surfaces/gui/src/providers/logos.ts
@@ -8,6 +8,8 @@
 import anthropic from "./logos/anthropic.svg";
 import openai from "./logos/openai.svg";
 import gemini from "./logos/gemini.svg";
+import byteplus from "./logos/byteplus.svg";
+import volcengine from "./logos/volcengine.svg";
 import ollama from "./logos/ollama.svg";
 import bedrock from "./logos/bedrock.svg";
 import vertex from "./logos/vertex.svg";
@@ -27,6 +29,8 @@ export const PROVIDER_LOGOS: Record<string, string> = {
   anthropic,
   openai,
   gemini,
+  ark: byteplus,
+  "ark-agent-plan-cn": volcengine,
   meta,
   ollama,
   bedrock,
@@ -47,6 +51,8 @@ export const PROVIDER_ORDER = [
   "anthropic",
   "openai",
   "gemini",
+  "ark",
+  "ark-agent-plan-cn",
   "meta",
   "ollama",
   "bedrock",
diff --git a/surfaces/gui/src/providers/logos/byteplus.svg b/surfaces/gui/src/providers/logos/byteplus.svg
new file mode 100644
index 00000000..b2d64e33
--- /dev/null
+++ b/surfaces/gui/src/providers/logos/byteplus.svg
@@ -0,0 +1 @@
+<svg fill="none" shape-rendering="geometricPrecision" viewBox="0 0 27.9 22.01" xmlns="http://www.w3.org/2000/svg"><title>BytePlus</title><path fill="#0066FC" d="M17.196 9.442a.252.252 0 0 1-.419-.201V.612c0-.217-.263-.34-.418-.201L6.042 9.163a.252.252 0 0 1-.419-.201v-5.98a.31.31 0 0 0-.31-.31H.31a.31.31 0 0 0-.31.31v18.73c0 .216.263.34.418.2L10.72 13.16a.252.252 0 0 1 .418.202v8.644c0 .217.264.34.419.201l10.302-8.753a.252.252 0 0 1 .418.202v5.98c0 .17.14.31.31.31h5.003c.17 0 .31-.14.31-.31V.89c0-.217-.263-.341-.418-.202z"></path></svg>
diff --git a/surfaces/gui/src/providers/logos/volcengine.svg b/surfaces/gui/src/providers/logos/volcengine.svg
new file mode 100644
index 00000000..1c944722
--- /dev/null
+++ b/surfaces/gui/src/providers/logos/volcengine.svg
@@ -0,0 +1 @@
+<svg height="1em" style="flex:none;line-height:1" viewBox="0 0 24 24" width="1em" xmlns="http://www.w3.org/2000/svg"><title>Volcengine</title><path d="M19.44 10.153l-2.936 11.586a.215.215 0 00.214.261h5.87a.215.215 0 00.214-.261l-2.95-11.586a.214.214 0 00-.412 0zM3.28 12.778l-2.275 8.96A.214.214 0 001.22 22h4.532a.212.212 0 00.214-.165.214.214 0 000-.097l-2.276-8.96a.214.214 0 00-.41 0z" fill="#00E5E5"></path><path d="M7.29 5.359L3.148 21.738a.215.215 0 00.203.261h8.29a.214.214 0 00.215-.261L7.7 5.358a.214.214 0 00-.41 0z" fill="#006EFF"></path><path d="M14.44.15a.214.214 0 00-.41 0L8.366 21.739a.214.214 0 00.214.261H19.9a.216.216 0 00.171-.078.214.214 0 00.044-.183L14.439.15z" fill="#006EFF"></path><path d="M10.278 7.741L6.685 21.736a.214.214 0 00.214.264h7.17a.215.215 0 00.214-.264L10.688 7.741a.214.214 0 00-.41 0z" fill="#00E5E5"></path></svg>