diff --git a/src/App.tsx b/src/App.tsx
index b331aaea1..d1dee843f 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1021,7 +1021,11 @@ function App() {
                       }
                       onCreate={() => setIsAddOpen(true)}
                       onSetAsDefault={
-                        activeApp === "openclaw" ? setAsDefaultModel : undefined
+                        activeApp === "openclaw"
+                          ? setAsDefaultModel
+                          : activeApp === "hermes"
+                            ? switchProvider
+                            : undefined
                       }
                     />
                   </motion.div>
diff --git a/src/components/providers/ProviderActions.tsx b/src/components/providers/ProviderActions.tsx
index 344a71da8..50872decf 100644
--- a/src/components/providers/ProviderActions.tsx
+++ b/src/components/providers/ProviderActions.tsx
@@ -70,9 +70,11 @@ export function ProviderActions({
   const { t } = useTranslation();
   const iconButtonClass = "h-8 w-8 p-1";
 
-  // 累加模式应用（OpenCode 非 OMO 和 OpenClaw）
+  // 累加模式应用（OpenCode 非 OMO / OpenClaw / Hermes）
   const isAdditiveMode =
-    (appId === "opencode" && !isOmo) || appId === "openclaw";
+    (appId === "opencode" && !isOmo) ||
+    appId === "openclaw" ||
+    appId === "hermes";
 
   // 故障转移模式下的按钮逻辑（累加模式和 OMO 应用不支持故障转移）
   const isFailoverMode =
@@ -207,25 +209,36 @@ export function ProviderActions({
 
   return (
     <div className="flex items-center gap-1.5">
-      {appId === "openclaw" && isInConfig && onSetAsDefault && (
-        <Button
-          size="sm"
-          variant={isDefaultModel ? "secondary" : "default"}
-          onClick={isDefaultModel ? undefined : onSetAsDefault}
-          disabled={isDefaultModel}
-          className={cn(
-            "w-fit px-2.5",
-            isDefaultModel
-              ? "bg-gray-200 text-muted-foreground dark:bg-gray-700 opacity-60 cursor-not-allowed"
-              : "bg-blue-500 hover:bg-blue-600 dark:bg-blue-600 dark:hover:bg-blue-700",
-          )}
-        >
-          <Zap className="h-4 w-4" />
-          {isDefaultModel
-            ? t("provider.isDefault", { defaultValue: "当前默认" })
-            : t("provider.setAsDefault", { defaultValue: "设为默认" })}
-        </Button>
-      )}
+      {(appId === "openclaw" || appId === "hermes") &&
+        isInConfig &&
+        onSetAsDefault &&
+        (() => {
+          const activeLabel =
+            appId === "hermes"
+              ? t("provider.inUse", { defaultValue: "已在用" })
+              : t("provider.isDefault", { defaultValue: "当前默认" });
+          const inactiveLabel =
+            appId === "hermes"
+              ? t("provider.enable", { defaultValue: "启用" })
+              : t("provider.setAsDefault", { defaultValue: "设为默认" });
+          return (
+            <Button
+              size="sm"
+              variant={isDefaultModel ? "secondary" : "default"}
+              onClick={isDefaultModel ? undefined : onSetAsDefault}
+              disabled={isDefaultModel}
+              className={cn(
+                "w-fit px-2.5",
+                isDefaultModel
+                  ? "bg-gray-200 text-muted-foreground dark:bg-gray-700 opacity-60 cursor-not-allowed"
+                  : "bg-blue-500 hover:bg-blue-600 dark:bg-blue-600 dark:hover:bg-blue-700",
+              )}
+            >
+              <Zap className="h-4 w-4" />
+              {isDefaultModel ? activeLabel : inactiveLabel}
+            </Button>
+          );
+        })()}
 
       <Button
         size="sm"
diff --git a/src/components/providers/ProviderCard.tsx b/src/components/providers/ProviderCard.tsx
index c0a36bfd4..37d33303a 100644
--- a/src/components/providers/ProviderCard.tsx
+++ b/src/components/providers/ProviderCard.tsx
@@ -184,9 +184,11 @@ export function ProviderCard({
     provider.meta?.providerType === PROVIDER_TYPES.CODEX_OAUTH;
 
   // 获取用量数据以判断是否有多套餐
-  // 累加模式应用（OpenCode/OpenClaw）：使用 isInConfig 代替 isCurrent
+  // 累加模式应用（OpenCode/OpenClaw/Hermes）：使用 isInConfig 代替 isCurrent
   const shouldAutoQuery =
-    appId === "opencode" || appId === "openclaw" ? isInConfig : isCurrent;
+    appId === "opencode" || appId === "openclaw" || appId === "hermes"
+      ? isInConfig
+      : isCurrent;
   const autoQueryInterval = shouldAutoQuery
     ? provider.meta?.usage_script?.autoQueryInterval || 0
     : 0;
diff --git a/src/components/providers/ProviderList.tsx b/src/components/providers/ProviderList.tsx
index bdaaeb37d..c1a96388b 100644
--- a/src/components/providers/ProviderList.tsx
+++ b/src/components/providers/ProviderList.tsx
@@ -25,7 +25,10 @@ import {
   useOpenClawLiveProviderIds,
   useOpenClawDefaultModel,
 } from "@/hooks/useOpenClaw";
-import { useHermesLiveProviderIds } from "@/hooks/useHermes";
+import {
+  useHermesLiveProviderIds,
+  useHermesModelConfig,
+} from "@/hooks/useHermes";
 import { useStreamCheck } from "@/hooks/useStreamCheck";
 import { ProviderCard } from "@/components/providers/ProviderCard";
 import { ProviderEmptyState } from "@/components/providers/ProviderEmptyState";
@@ -109,6 +112,10 @@ export function ProviderList({
   // Hermes: 查询 live 配置中的供应商 ID 列表，用于判断 isInConfig
   const { data: hermesLiveIds } = useHermesLiveProviderIds(appId === "hermes");
 
+  // Hermes: 读取当前 model.provider，用于判断哪个供应商是"当前激活"（高亮）
+  const { data: hermesModelConfig } = useHermesModelConfig(appId === "hermes");
+  const hermesCurrentProviderId = hermesModelConfig?.provider;
+
   // 判断供应商是否已添加到配置（累加模式应用：OpenCode/OpenClaw/Hermes）
   const isProviderInConfig = useCallback(
     (providerId: string): boolean => {
@@ -334,6 +341,8 @@ export function ProviderList({
             const isOmoCurrent = isOmo && provider.id === (currentOmoId || "");
             const isOmoSlimCurrent =
               isOmoSlim && provider.id === (currentOmoSlimId || "");
+            const isHermesCurrent =
+              appId === "hermes" && hermesCurrentProviderId === provider.id;
             return (
               <SortableProviderCard
                 key={provider.id}
@@ -343,7 +352,9 @@ export function ProviderList({
                     ? isOmoCurrent
                     : isOmoSlim
                       ? isOmoSlimCurrent
-                      : provider.id === currentProviderId
+                      : appId === "hermes"
+                        ? isHermesCurrent
+                        : provider.id === currentProviderId
                 }
                 appId={appId}
                 isInConfig={isProviderInConfig(provider.id)}
@@ -370,8 +381,12 @@ export function ProviderList({
                   handleToggleFailover(provider.id, enabled)
                 }
                 activeProviderId={activeProviderId}
-                // OpenClaw: default model
-                isDefaultModel={isProviderDefaultModel(provider.id)}
+                // OpenClaw: default model / Hermes: model.provider === provider.id
+                isDefaultModel={
+                  appId === "hermes"
+                    ? isHermesCurrent
+                    : isProviderDefaultModel(provider.id)
+                }
                 onSetAsDefault={
                   onSetAsDefault ? () => onSetAsDefault(provider) : undefined
                 }
diff --git a/src/hooks/useHermes.ts b/src/hooks/useHermes.ts
index b21ce541d..63ee17fd1 100644
--- a/src/hooks/useHermes.ts
+++ b/src/hooks/useHermes.ts
@@ -1,4 +1,9 @@
-import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import {
+  useMutation,
+  useQuery,
+  useQueryClient,
+  type QueryClient,
+} from "@tanstack/react-query";
 import { hermesApi } from "@/lib/api/hermes";
 import { providersApi } from "@/lib/api/providers";
 import type {
@@ -20,6 +25,19 @@ export const hermesKeys = {
   health: ["hermes", "health"] as const,
 };
 
+/**
+ * Invalidate all Hermes caches that may change when a provider is
+ * added/updated/deleted/switched. Runs invalidations in parallel so the
+ * caller doesn't await three sequential refetches.
+ */
+export function invalidateHermesProviderCaches(queryClient: QueryClient) {
+  return Promise.all([
+    queryClient.invalidateQueries({ queryKey: hermesKeys.liveProviderIds }),
+    queryClient.invalidateQueries({ queryKey: hermesKeys.modelConfig }),
+    queryClient.invalidateQueries({ queryKey: hermesKeys.health }),
+  ]);
+}
+
 // ============================================================
 // Query hooks
 // ============================================================
diff --git a/src/lib/query/mutations.ts b/src/lib/query/mutations.ts
index ed1ee04d3..455ad56ef 100644
--- a/src/lib/query/mutations.ts
+++ b/src/lib/query/mutations.ts
@@ -8,7 +8,7 @@ import type { Provider, SessionMeta, Settings } from "@/types";
 import { extractErrorMessage } from "@/utils/errorUtils";
 import { generateUUID } from "@/utils/uuid";
 import { openclawKeys } from "@/hooks/useOpenClaw";
-import { hermesKeys } from "@/hooks/useHermes";
+import { invalidateHermesProviderCaches } from "@/hooks/useHermes";
 
 export const useAddProviderMutation = (appId: AppId) => {
   const queryClient = useQueryClient();
@@ -77,9 +77,7 @@ export const useAddProviderMutation = (appId: AppId) => {
       }
 
       if (appId === "hermes") {
-        await queryClient.invalidateQueries({
-          queryKey: hermesKeys.health,
-        });
+        await invalidateHermesProviderCaches(queryClient);
       }
 
       try {
@@ -135,9 +133,7 @@ export const useUpdateProviderMutation = (appId: AppId) => {
         });
       }
       if (appId === "hermes") {
-        await queryClient.invalidateQueries({
-          queryKey: hermesKeys.health,
-        });
+        await invalidateHermesProviderCaches(queryClient);
       }
       toast.success(
         t("notifications.updateSuccess", {
@@ -193,9 +189,7 @@ export const useDeleteProviderMutation = (appId: AppId) => {
       }
 
       if (appId === "hermes") {
-        await queryClient.invalidateQueries({
-          queryKey: hermesKeys.health,
-        });
+        await invalidateHermesProviderCaches(queryClient);
       }
 
       try {
@@ -263,12 +257,7 @@ export const useSwitchProviderMutation = (appId: AppId) => {
         });
       }
       if (appId === "hermes") {
-        await queryClient.invalidateQueries({
-          queryKey: hermesKeys.liveProviderIds,
-        });
-        await queryClient.invalidateQueries({
-          queryKey: hermesKeys.health,
-        });
+        await invalidateHermesProviderCaches(queryClient);
       }
 
       try {