diff --git a/src/api/notion.ts b/src/api/notion.ts
index b88e5aa..f57a897 100644
--- a/src/api/notion.ts
+++ b/src/api/notion.ts
@@ -1,6 +1,5 @@
 import {
   JSONData,
-  BlockMapType,
   NotionUserType,
   LoadPageChunkData,
   CollectionData,
diff --git a/src/api/types.ts b/src/api/types.ts
index 1dadea5..11ead0f 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -179,7 +179,7 @@ export interface NotionSearchResultsType {
   total: number;
 }
 
-export interface HandlerRequest = {
+export interface HandlerRequest {
   params: Params;
   searchParams: URLSearchParams;
   request: Request;
diff --git a/src/index.ts b/src/index.ts
index a7e3555..0f9a31a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,5 @@
 import {} from "@cloudflare/workers-types";
-import { Router, Method, Params } from "tiny-request-router";
+import { Router, Method } from "tiny-request-router";
 
 import { pageRoute } from "./routes/page";
 import { tableRoute } from "./routes/table";
diff --git a/src/routes/page.ts b/src/routes/page.ts
index 7c1d6cc..eb2622d 100644
--- a/src/routes/page.ts
+++ b/src/routes/page.ts
@@ -1,4 +1,3 @@
-import { Params } from "tiny-request-router";
 import { fetchPageById, fetchBlocks } from "../api/notion";
 import { parsePageId } from "../api/utils";
 import { createResponse } from "../response";
@@ -7,7 +6,7 @@ import { CollectionType, BlockType, HandlerRequest } from "../api/types";
 
 export async function pageRoute(req: HandlerRequest) {
   const pageId = parsePageId(req.params.pageId);
-  const page = await fetchPageById(pageId, req.notionToken);
+  const page = await fetchPageById(pageId!, req.notionToken);
 
   const baseBlocks = page.recordMap.block;
 
diff --git a/src/routes/search.ts b/src/routes/search.ts
index 1e9655a..cf76a1b 100644
--- a/src/routes/search.ts
+++ b/src/routes/search.ts
@@ -4,9 +4,9 @@ import { HandlerRequest } from "../api/types";
 import { parsePageId } from "../api/utils";
 
 export async function searchRoute(req: HandlerRequest) {
-  const ancestorId = parsePageId(req.searchParams.get("ancestorId"));
+  const ancestorId = parsePageId(req.searchParams.get("ancestorId") || "");
   const query = req.searchParams.get("query") || "";
-  const limit = req.searchParams.get("limit") || 20;
+  const limit = Number(req.searchParams.get("limit") || 20);
 
   if (!ancestorId) {
     return createResponse(
diff --git a/src/routes/table.ts b/src/routes/table.ts
index 59d7b02..c0953bb 100644
--- a/src/routes/table.ts
+++ b/src/routes/table.ts
@@ -1,4 +1,3 @@
-import { Params } from "tiny-request-router";
 import { fetchPageById, fetchTableData, fetchNotionUsers } from "../api/notion";
 import { parsePageId, getNotionValue } from "../api/utils";
 import {
@@ -58,7 +57,7 @@ export const getTableData = async (
 
 export async function tableRoute(req: HandlerRequest) {
   const pageId = parsePageId(req.params.pageId);
-  const page = await fetchPageById(pageId, req.notionToken);
+  const page = await fetchPageById(pageId!, req.notionToken);
 
   if (!page.recordMap.collection)
     return createResponse(
diff --git a/src/routes/user.ts b/src/routes/user.ts
index a847457..c80f014 100644
--- a/src/routes/user.ts
+++ b/src/routes/user.ts
@@ -1,4 +1,3 @@
-import { Params } from "tiny-request-router";
 import { fetchNotionUsers } from "../api/notion";
 import { HandlerRequest } from "../api/types";
 import { createResponse } from "../response";