diff --git a/src/app/api/keyword-cloud/quarters/route.ts b/src/app/api/keyword-cloud/quarters/route.ts
new file mode 100644
index 0000000..938c767
--- /dev/null
+++ b/src/app/api/keyword-cloud/quarters/route.ts
@@ -0,0 +1,47 @@
+import { NextResponse } from 'next/server';
+import { getAllQuarters } from '@/hooks/useKeywordCloud';
+
+export const dynamic = 'force-dynamic';
+
+/**
+ * GET /api/keyword-cloud/quarters
+ * 获取季度列表
+ */
+export async function GET(request: Request) {
+  try {
+    const { searchParams } = new URL(request.url);
+    const isActive = searchParams.get('isActive');
+
+    const quarters = await getAllQuarters(
+      isActive !== null ? { isActive: isActive === 'true' } : undefined
+    );
+
+    // 为每个季度添加关键词计数
+    const { prisma } = await import('@/lib/prisma');
+    const quartersWithCount = await Promise.all(
+      quarters.map(async (q) => {
+        const count = await prisma.keyword.count({
+          where: { quarterId: q.id },
+        });
+        return {
+          ...q,
+          keywordCount: count,
+        };
+      })
+    );
+
+    return NextResponse.json({
+      success: true,
+      quarters: quartersWithCount,
+    });
+  } catch (error) {
+    console.error('Error fetching quarters:', error);
+    return NextResponse.json(
+      {
+        success: false,
+        error: 'Failed to fetch quarters',
+      },
+      { status: 500 }
+    );
+  }
+}