diff --git a/package.json b/package.json
index 9463506..03cdbd2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yizhi/koa-router",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "main": "dist/index.js",
   "types": "typing/index.d.ts",
   "scripts": {},
diff --git a/src/router.ts b/src/router.ts
index a15fa9d..042507c 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -153,7 +153,7 @@ export class KoaRouter {
 		let regexpStr = "^" + regexpItems.join("") + pathname.slice(offset);
 
 		//严格模式
-		if (option?.strict) regexpStr += "$";
+		if (option?.strict ?? true) regexpStr += "$";
 		else regexpStr += "\\b";
 
 		//生成正则表达式