diff --git a/app/(admin)/settings/admin-settings-client.tsx b/app/(admin)/settings/admin-settings-client.tsx
index 7f7b52b81..dcb885758 100644
--- a/app/(admin)/settings/admin-settings-client.tsx
+++ b/app/(admin)/settings/admin-settings-client.tsx
@@ -6877,7 +6877,13 @@ export function AdminSettingsClient() {
                           value={providerForm.apiKey}
                           onChange={(e) => setProviderForm({ ...providerForm, apiKey: e.target.value })}
                           autoComplete="new-password"
-                          placeholder={editingProvider ? "留空则不修改" : "sk-..."}
+                          placeholder={
+                            editingProvider
+                              ? "留空则不修改"
+                              : providerForm.type === "runway"
+                                ? "key_ 后跟 128 位十六进制字符"
+                                : "sk-..."
+                          }
                         />
                         <Button
                           type="button" variant="ghost" size="sm"
@@ -6887,6 +6893,11 @@ export function AdminSettingsClient() {
                           {showApiKey ? <EyeOff className="h-4 w-4" /> : <Eye className="h-4 w-4" />}
                         </Button>
                       </div>
+                      {providerForm.type === "runway" && (
+                        <p className="text-xs text-muted-foreground">
+                          Runway Key 必须以 `key_` 开头，后面是 128 位十六进制字符。不要粘贴带“Bearer ”、“API Key:”或中文标点的内容。
+                        </p>
+                      )}
                     </div>
                     <div className="flex items-center gap-2">
                       <Switch
diff --git a/app/api/admin/ai-providers/route.ts b/app/api/admin/ai-providers/route.ts
index 108c7aff2..53b67b613 100644
--- a/app/api/admin/ai-providers/route.ts
+++ b/app/api/admin/ai-providers/route.ts
@@ -61,6 +61,7 @@ const OPENAI_IMAGE_BASE_URL = "https://api.openai.com/v1";
 const MIDJOURNEY_BASE_URL = "https://your-midjourney-api.example.com";
 const TRIPO_3D_BASE_URL = "https://api.tripo3d.ai/v2/openapi";
 const RUNWAY_BASE_URL = "https://api.dev.runwayml.com";
+const RUNWAY_API_KEY_PATTERN = /^key_[0-9a-f]{128}$/;
 
 function normalizeProviderTypeForStorage(
   type?: ProviderType
@@ -70,6 +71,26 @@ function normalizeProviderTypeForStorage(
   return type;
 }
 
+function normalizeRunwayApiKey(value: string) {
+  return String(value || "")
+    .replace(/\u00a0/g, " ")
+    .trim()
+    .normalize("NFKC")
+    .replace(/^bearer\s+/i, "")
+    .replace(/^key\s+/i, "")
+    .replace(/^(?:runway[_-]?api[_-]?key|api[_-]?key|token)\s*[:：]\s*/i, "")
+    .replace(/[^\x20-\x7E]/g, "");
+}
+
+function validateRunwayApiKey(apiKey: string) {
+  if (!RUNWAY_API_KEY_PATTERN.test(apiKey)) {
+    throw new ChatSDKError(
+      "bad_request:api",
+      "Runway API Key 格式无效，应为 key_ 开头并跟随 128 位十六进制字符"
+    );
+  }
+}
+
 function isZhipuBaseUrl(baseUrl: string) {
   return baseUrl.includes("open.bigmodel.cn");
 }
@@ -154,11 +175,17 @@ export async function POST(request: Request) {
     console.log("[Admin API] Create provider request body:", JSON.stringify(sanitizeProviderPayload(body)));
     
     const data = createProviderSchema.parse(body);
+    const normalizedApiKey =
+      data.type === "runway" ? normalizeRunwayApiKey(data.apiKey) : data.apiKey;
+    if (data.type === "runway") {
+      validateRunwayApiKey(normalizedApiKey);
+    }
     console.log("[Admin API] Validation passed, creating provider...");
     const storageType = normalizeProviderTypeForStorage(data.type) ?? "custom";
 
     const provider = await createAiProvider({
       ...data,
+      apiKey: normalizedApiKey,
       type: storageType,
       baseUrl:
         data.type === "zhipu"
@@ -204,9 +231,23 @@ export async function PUT(request: Request) {
 
     const body = await request.json();
     const data = updateProviderSchema.parse(body);
+    const existingProvider = await getAiProviderById({ id: data.id });
+    if (!existingProvider) {
+      return new ChatSDKError("bad_request:api", "Provider not found").toResponse();
+    }
+
+    const effectiveType = data.type || (existingProvider.type as ProviderType);
+    const normalizedApiKey =
+      effectiveType === "runway" && data.apiKey !== undefined
+        ? normalizeRunwayApiKey(data.apiKey)
+        : data.apiKey;
+    if (effectiveType === "runway" && normalizedApiKey !== undefined) {
+      validateRunwayApiKey(normalizedApiKey);
+    }
 
     const provider = await updateAiProvider({
       ...data,
+      apiKey: normalizedApiKey,
       type: normalizeProviderTypeForStorage(data.type),
       updatedBy: session.user.id,
     });