feat: wrong path error

lib/middleware/parameter.js

@@ -3,6 +3,10 @@ const he = require('he');
 module.exports = async (ctx, next) => {
     await next();
 
+    if (!ctx._matchedRoute) {
+        throw Error('wrong path');
+    }
+
     if (ctx.state.data && (!ctx.state.data.item || ctx.state.data.item.length === 0) && !ctx.state.allowEmpty) {
         throw Error('this route is empty, please check the origin site or create an issue to feedback on https://github.com/DIYgod/RSSHub/issues/new/choose');
     }

test/middleware/parameter.js

@@ -127,3 +127,11 @@ describe('allow_empty', () => {
         expect(parsed.items.length).toBe(0);
     });
 });
+
+describe('wrong_path', () => {
+    it(`wrong_path`, async () => {
+        const response = await request.get('/wrong');
+        expect(response.status).toBe(404);
+        expect(response.text).toMatch(/RSSHub 发生了一些意外: <pre>Error: wrong path/);
+    });
+});