diff --git a/src/content/comic.ts b/src/content/comic.ts
index 4a9b06f..e06aa42 100644
--- a/src/content/comic.ts
+++ b/src/content/comic.ts
@@ -34,8 +34,8 @@ export class ComicReferrer extends createDefaultClass("comic"){
         }
         const data = (await readAllFromZip(zip,entry)).toString('utf-8');
         this.desc = JSON.parse(data);
-        if(this.desc === undefined) 
-            throw new Error(`??? JSON.parse is returning undefined. ${this.path} desc.json format error`);
+        if(this.desc === undefined)
+            throw new Error(`JSON.parse is returning undefined. ${this.path} desc.json format error`);
     }
     
     async createDocumentBody(): Promise<DocumentBody>{
diff --git a/src/permission/permission.ts b/src/permission/permission.ts
index 232731a..6bee8ad 100644
--- a/src/permission/permission.ts
+++ b/src/permission/permission.ts
@@ -35,7 +35,8 @@ export enum Permission{
     modifyTagDesc = 'ModifyTagDesc',
 }
 
-export const createPermissionCheckMiddleware = (...permissions:string[]) => async (ctx: Koa.ParameterizedContext<UserState>,next:Koa.Next)=>{
+export const createPermissionCheckMiddleware = (...permissions:string[]) => 
+    async (ctx: Koa.ParameterizedContext<UserState>,next:Koa.Next) => {
     const user = ctx.state['user'];
     if(user.username === "admin"){
         return await next();    
diff --git a/src/route/contents.ts b/src/route/contents.ts
index 8e00a03..65b064f 100644
--- a/src/route/contents.ts
+++ b/src/route/contents.ts
@@ -153,7 +153,7 @@ export const getContentRouter = (controller: DocumentAccessor)=>{
     ret.del("/:num(\\d+)/tags/:tag",PerCheck(Per.ModifyTag),DelTagHandler(controller));
     ret.del("/:num(\\d+)",AdminOnly,DeleteContentHandler(controller));
     ret.all("/:num(\\d+)/(.*)",PerCheck(Per.QueryContent),ContentHandler(controller));
-    ret.use("/:num",PerCheck(Per.QueryContent),(new AllContentRouter).routes());
+    ret.use("/:num(\\d+)",PerCheck(Per.QueryContent),(new AllContentRouter).routes());
     return ret;
 }