diff --git a/src/categories/category.service.ts b/src/categories/category.service.ts
index 0426a90..01fd617 100644
--- a/src/categories/category.service.ts
+++ b/src/categories/category.service.ts
@@ -488,55 +488,55 @@ export class CategoryService {
   }
 
   async autoCategorizeWithId(user: User, link: string) {
-    try {
-      const _categories = await this.categoryRepository.findByUserId(user.id);
-      if (_categories.length === 0) {
-        throw new NotFoundException('Categories not found');
-      }
+    const _categories = await this.categoryRepository.findByUserId(user.id);
+    if (_categories.length === 0) {
+      throw new NotFoundException('Categories not found');
+    }
 
-      const categories = _categories.map((category) => ({
-        ...category,
-        depth: 0,
-      }));
+    const categories = _categories.map((category) => ({
+      ...category,
+      depth: 0,
+    }));
 
-      categories.map((category, index) => {
-        categories.slice(index + 1).map((subCategory) => {
-          if (subCategory.parentId && subCategory.parentId === category.id) {
-            subCategory.depth = category.depth + 1;
-          }
-        });
+    categories.map((category, index) => {
+      categories.slice(index + 1).map((subCategory) => {
+        if (subCategory.parentId && subCategory.parentId === category.id) {
+          subCategory.depth = category.depth + 1;
+        }
       });
+    });
 
-      const { title, siteName, description } = await getLinkInfo(link);
+    const { title, siteName, description } = await getLinkInfo(encodeURI(link));
 
-      const content = await getLinkContent(link);
+    const content = await getLinkContent(link);
+
+    const question = `You are a machine tasked with auto-categorizing articles based on information obtained through web scraping.
 
-      const question = `You are a machine tasked with auto-categorizing articles based on information obtained through web scraping.
 You can only answer a single category name. Here is the article's information:
 <title>${title && `title: "${title.trim()}"`}</title>
 <content>${
-        content &&
-        `content: "${content.replace(/\s/g, '').slice(0, 300).trim()}"`
-      }</content>
+      content && `content: "${content.replace(/\s/g, '').slice(0, 300).trim()}"`
+    }</content>
 <description>${
-        description && `description: "${description.trim()}"`
-      }</description>
+      description && `description: "${description.trim()}"`
+    }</description>
 <siteName>${siteName && `site name: "${siteName.trim()}"`}</siteName>
 
-Given the following categories, please provide the most suitable category for the article.
+Given the categories below, please provide the most suitable category for the article following the rules.
+[RULES]
 - The deeper the category depth, the more specific the category is.
 - If the 1, 2, and 3 depth categories are equally worthy of saving links, then the deeper categories should be recommended more.
+- If there's no suitable category, must provide reply with "None".
 <categories>${categories
-        .map((category) =>
-          JSON.stringify({
-            id: category.id,
-            name: category.name,
-            depth: category.depth,
-          }),
-        )
-        .join('\n')}</categories>
-
-If there's no suitable category, must provide reply with "None".
+      .map((category) =>
+        JSON.stringify({
+          id: category.id,
+          name: category.name,
+          depth: category.depth,
+        }),
+      )
+      .join('\n')}</categories>
+  
 
 Present your reply options in JSON format below.
 \`\`\`json
@@ -545,8 +545,9 @@ Present your reply options in JSON format below.
   "name": "category name"
 }
 \`\`\`
-`;
+        `;
 
+    try {
       const response = await this.openaiService.createChatCompletion({
         question,
         temperature: 0,
diff --git a/src/contents/util/content.util.ts b/src/contents/util/content.util.ts
index ad865e1..40b4ff9 100644
--- a/src/contents/util/content.util.ts
+++ b/src/contents/util/content.util.ts
@@ -84,7 +84,7 @@ class OGCrawler {
         }
       }
 
-      throw new InternalServerErrorException('An unknown error occurred');
+      throw new InternalServerErrorException(`An unknown error occurred`);
     }
   }
 
diff --git a/src/main.ts b/src/main.ts
index 65561b3..b34b6ec 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -16,7 +16,7 @@ async function bootstrap() {
   app.useGlobalPipes(new ValidationPipe());
   app.setGlobalPrefix('api');
 
-  if (process.env.NODE_ENV === 'dev' || process.env.NODE_ENV === 'local') {
+  if (process.env.NODE_ENV !== 'prod') {
     const config = new DocumentBuilder()
       .setTitle('Quickchive')
       .setDescription('The API description')