diff --git a/apps/controller/src/app/container.ts b/apps/controller/src/app/container.ts
index f5b2bbdeb..f6a4bed6e 100644
--- a/apps/controller/src/app/container.ts
+++ b/apps/controller/src/app/container.ts
@@ -152,11 +152,12 @@ export async function createContainer(): Promise<ControllerContainer> {
   );
   const githubStarVerificationService = new GithubStarVerificationService();
 
-  // Wire cloud state change callback to sync refreshed cloud inventory without
-  // auto-switching the default model during startup or first-channel connect.
+  // Wire cloud state change callback to sync refreshed cloud inventory and
+  // auto-select a default model when inventory changes.
   configStore.onCloudStateChanged = async (change) => {
+    await modelProviderService.ensureValidDefaultModel();
     await openclawSyncService.syncAll();
-    if (!change.hadCloudInventory && change.hasCloudInventory) {
+    if (change.hadCloudInventory !== change.hasCloudInventory) {
       await openclawProcess.stop();
       openclawProcess.enableAutoRestart();
       openclawProcess.start();
diff --git a/apps/controller/src/routes/desktop-compat-routes.ts b/apps/controller/src/routes/desktop-compat-routes.ts
index f188c3f8c..93f4704bb 100644
--- a/apps/controller/src/routes/desktop-compat-routes.ts
+++ b/apps/controller/src/routes/desktop-compat-routes.ts
@@ -301,8 +301,12 @@ export function registerDesktopCompatRoutes(
         },
       },
     }),
-    async (c) =>
-      c.json(await container.desktopLocalService.disconnectCloud(), 200),
+    async (c) => {
+      const result = await container.desktopLocalService.disconnectCloud();
+      await container.modelProviderService.ensureValidDefaultModel();
+      const { configPushed } = await container.openclawSyncService.syncAll();
+      return c.json({ ...result, configPushed }, 200);
+    },
   );
 
   app.openapi(
diff --git a/apps/controller/src/store/nexu-config-store.ts b/apps/controller/src/store/nexu-config-store.ts
index f733911f6..1b3a51393 100644
--- a/apps/controller/src/store/nexu-config-store.ts
+++ b/apps/controller/src/store/nexu-config-store.ts
@@ -2688,6 +2688,12 @@ export class NexuConfigStore {
     const previousCloud = readDesktopCloud(await this.getConfig());
     this.abortDesktopCloudPolling();
 
+    const config = await this.getConfig();
+    const currentModelId = config.runtime.defaultModelId;
+    const wasCloudModel =
+      resolveManagedCloudModel(currentModelId, previousCloud.models ?? []) !==
+      null;
+
     await this.setDesktopCloudState({
       connected: false,
       polling: false,
@@ -2699,6 +2705,11 @@ export class NexuConfigStore {
       apiKey: null,
       models: [],
     });
+
+    if (wasCloudModel) {
+      await this.setDefaultModel("");
+    }
+
     await this.onCloudStateChanged?.({
       hadCloudInventory: (previousCloud.models?.length ?? 0) > 0,
       hasCloudInventory: false,
diff --git a/apps/controller/static/runtime-plugins/nexu-runtime-model/index.js b/apps/controller/static/runtime-plugins/nexu-runtime-model/index.js
index bcf0c814f..3e289f16b 100644
--- a/apps/controller/static/runtime-plugins/nexu-runtime-model/index.js
+++ b/apps/controller/static/runtime-plugins/nexu-runtime-model/index.js
@@ -44,7 +44,7 @@ const plugin = {
   register(api) {
     api.on("before_model_resolve", async () => {
       const state = loadState();
-      if (!state) {
+      if (!state || !state.selectedModelRef) {
         return;
       }
       const slashIndex = state.selectedModelRef.indexOf("/");
@@ -63,7 +63,7 @@ const plugin = {
 
     api.on("before_prompt_build", async () => {
       const state = loadState();
-      if (!state?.promptNotice) {
+      if (!state?.selectedModelRef || !state?.promptNotice) {
         return;
       }
       return {
diff --git a/apps/web/src/layouts/workspace-layout.tsx b/apps/web/src/layouts/workspace-layout.tsx
index b08336aef..47d6a49fd 100644
--- a/apps/web/src/layouts/workspace-layout.tsx
+++ b/apps/web/src/layouts/workspace-layout.tsx
@@ -1085,28 +1085,6 @@ function WorkspaceLayoutInner() {
                                 {sidebarCreditBreakdown.giftedBalance}
                               </span>
                             </div>
-                            <div className="flex items-center justify-between">
-                              <span className="flex items-center gap-1 text-[11px] text-text-muted">
-                                {t("layout.sidebar.balancePopup.recharged")}
-                                <span className="group relative inline-flex cursor-default items-center">
-                                  <Info
-                                    size={10}
-                                    className="text-text-muted/60"
-                                  />
-                                  <span
-                                    role="tooltip"
-                                    className="pointer-events-none absolute bottom-full left-0 z-[10000] mb-1.5 w-52 rounded-md bg-neutral-800 px-2.5 py-1.5 text-left text-[11px] font-normal leading-snug text-white opacity-0 shadow-lg transition-opacity duration-150 group-hover:opacity-100"
-                                  >
-                                    {t(
-                                      "layout.sidebar.balancePopup.rechargedTooltip",
-                                    )}
-                                  </span>
-                                </span>
-                              </span>
-                              <span className="tabular-nums text-[11px] font-medium text-text-secondary">
-                                {sidebarCreditBreakdown.planBalance}
-                              </span>
-                            </div>
                           </div>
                           <button
                             type="button"