diff --git a/package.json b/package.json
index 67da676..99793b7 100644
--- a/package.json
+++ b/package.json
@@ -45,8 +45,10 @@
     "typescript": "^4.9.5"
   },
   "exports": {
-    ".": "./dist/index.js",
-    "./": "./dist/"
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js"
+    }
   },
   "jest": {
     "preset": "./jest.preset.cjs",
diff --git a/src/engines/Pixiv.ts b/src/engines/Pixiv.ts
index afdac74..f6a0230 100644
--- a/src/engines/Pixiv.ts
+++ b/src/engines/Pixiv.ts
@@ -70,6 +70,9 @@ export default class Pixiv extends ScrapeEngineBase {
       post.contentType = guessContentType(post.contentUrl);
       post.referrer = document.location.origin;
       result.tryAddPost(post);
+      if (document.querySelector('a[href*="/tags/R-18/artworks"]')) {
+        post.rating = "unsafe";
+      }
     }
 
     return result;
diff --git a/tsconfig.json b/tsconfig.json
index 25a76c8..50acf7d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,12 +5,13 @@
       "DOM",
       "DOM.Iterable"
     ],
+    "rootDir": "./src/",
     "outDir": "./dist/",
     "sourceMap": true,
     "strict": true,
-    "module": "ES2020",
-    "moduleResolution": "NodeNext",
-    "target": "ES2020",
+    "module": "node16",
+    "moduleResolution": "node16",
+    "target": "es2020",
     "skipLibCheck": true,
     "esModuleInterop": true,
     "removeComments": true,