diff --git a/lib/ai/providers/huanke-gemini.ts b/lib/ai/providers/huanke-gemini.ts
index 49232da44..f6fa917c1 100644
--- a/lib/ai/providers/huanke-gemini.ts
+++ b/lib/ai/providers/huanke-gemini.ts
@@ -7,6 +7,20 @@ interface HuankeGeminiConfig {
   baseURL: string;
 }
 
+function normalizeHuankeBaseURL(baseURL: string): string {
+  let normalized = (baseURL || "").trim().replace(/\/+$/, "");
+
+  normalized = normalized.replace(/\/v1beta\/models\/.*$/i, "");
+  normalized = normalized.replace(/\/v1beta$/i, "");
+  normalized = normalized.replace(/\/v1$/i, "");
+
+  if (!normalized) {
+    return "https://api.huandutech.com";
+  }
+
+  return normalized;
+}
+
 function redactSecrets(text: string, secrets: string[] = []) {
   let output = text;
   for (const secret of secrets) {
@@ -386,9 +400,10 @@ async function sendHuankeGeminiRequest(
     imageSize?: string;
   }
 ): Promise<HuankeGeminiResponse> {
+  const normalizedBaseURL = normalizeHuankeBaseURL(baseURL);
   // 构建 Gemini 原生格式的端点
   // 例如: https://api.example.com/v1beta/models/gemini-3-pro-image-preview-4k:generateContent
-  const url = `${baseURL}/v1beta/models/${modelId}:generateContent?key=${apiKey}`;
+  const url = `${normalizedBaseURL}/v1beta/models/${modelId}:generateContent?key=${apiKey}`;
   
   console.log("[Huanke Gemini] Sending request to:", redactSecrets(url, [apiKey]));
   console.log("[Huanke Gemini] Using model:", modelId);