fix: encoding of pid in notifyCategoryFollowers, #13087

src/categories/topics.js

@@ -245,7 +245,7 @@ module.exports = function (Categories) {
 			bodyShort: bodyShort,
 			bodyLong: postData.content,
 			pid: postData.pid,
-			path: `/post/${postData.pid}`,
+			path: `/post/${encodeURIComponent(postData.pid)}`,
 			tid: postData.topic.tid,
 			from: exceptUid,
 		});