diff --git a/src/app/api/search/ai/route.ts b/src/app/api/search/ai/route.ts
index d28cfd7..62bfd5a 100644
--- a/src/app/api/search/ai/route.ts
+++ b/src/app/api/search/ai/route.ts
@@ -15,25 +15,27 @@ export async function POST(request: Request) {
     // 验证查询参数
     const validatedQuery = ProjectQuerySchema.parse(body)
 
-    // 转发到 n8n 工作流
-    const n8nResponse = await fetch(N8N_WEBHOOK_URL, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-      },
-      body: JSON.stringify({
-        query: validatedQuery.search,
-        locale: body.locale || 'zh',
-        limit: validatedQuery.limit || 20,
-        filters: {
-          tags: validatedQuery.tags,
-          status: validatedQuery.status
-        }
-      })
+    // 构建 n8n webhook URL（使用 GET 请求 + query string）
+    const searchParams = new URLSearchParams({
+      desc: validatedQuery.search || '',
+      limit: String(validatedQuery.limit || 20),
+    })
+
+    // 如果有标签过滤，添加到参数中
+    if (validatedQuery.tags && validatedQuery.tags.length > 0) {
+      searchParams.set('tags', validatedQuery.tags.join(','))
+    }
+
+    const n8nUrl = `${N8N_WEBHOOK_URL}?${searchParams.toString()}`
+
+    // 转发到 n8n 工作流（使用 GET 请求）
+    const n8nResponse = await fetch(n8nUrl, {
+      method: 'GET',
     })
 
     if (!n8nResponse.ok) {
-      throw new Error(`n8n webhook failed: ${n8nResponse.statusText}`)
+      const errorText = await n8nResponse.text()
+      throw new Error(`n8n webhook failed: ${n8nResponse.statusText} - ${errorText}`)
     }
 
     const results = await n8nResponse.json()