diff --git a/空气质量预测/源码/服务端/iapip-svr/src/controllers/forum.ts b/空气质量预测/源码/服务端/iapip-svr/src/controllers/forum.ts
index 7c6f951..b86e842 100644
--- a/空气质量预测/源码/服务端/iapip-svr/src/controllers/forum.ts
+++ b/空气质量预测/源码/服务端/iapip-svr/src/controllers/forum.ts
@@ -3,6 +3,8 @@ import validate from '../middlewares/validator'
 import { db } from '..'
 import { fail } from '../common/utils'
 import { ERR_CODE, FORUM_BOARDS } from '../common/constants'
+import authn from '../middlewares/authn'
+import { CERT_TYPE, UserCert } from '../common/types'
 
 const forumRouter = new Router()
 forumRouter.prefix('/api/forum')
@@ -74,4 +76,76 @@ forumRouter.get('/threads/:id', async ctx => {
     ctx.body = { thread, replies }
 })
 
+// 发帖（登录）
+forumRouter.post(
+    '/threads',
+    authn(CERT_TYPE.ACCOUNT),
+    validate({
+        body: {
+            type: 'object',
+            properties: {
+                board: { type: 'string' },
+                title: { type: 'string', minLength: 1, maxLength: 60 },
+                content: { type: 'string', minLength: 1, maxLength: 5000 }
+            },
+            required: ['board', 'title', 'content'],
+            additionalProperties: false
+        }
+    }),
+    async ctx => {
+        const { board, title, content } = ctx.request.body as { board: string, title: string, content: string }
+        if (!FORUM_BOARDS.includes(board)) {
+            ctx.throw(422, fail(ERR_CODE.INVALID_REQ_DATA, '非法板块'))
+            return
+        }
+        const cert = ctx.state.acct_cert as UserCert
+        const thread = await db.forumThread.create({
+            data: { board, title, content, author_id: cert.id, author_name: cert.username }
+        })
+        ctx.body = thread
+    }
+)
+
+// 回帖（登录）
+forumRouter.post(
+    '/threads/:id/replies',
+    authn(CERT_TYPE.ACCOUNT),
+    validate({
+        body: {
+            type: 'object',
+            properties: {
+                content: { type: 'string', minLength: 1, maxLength: 5000 }
+            },
+            required: ['content'],
+            additionalProperties: false
+        }
+    }),
+    async ctx => {
+        const id = Number(ctx.params.id)
+        const cert = ctx.state.acct_cert as UserCert
+        const { content } = ctx.request.body as { content: string }
+        const thread = await db.forumThread.findFirst({ where: { id, deleted: 0 } })
+        if (!thread) {
+            ctx.throw(422, fail(ERR_CODE.UNKNOWN_ERR, '帖子不存在'))
+            return
+        }
+        const reply = await db.$transaction(async tx => {
+            const updated = await tx.forumThread.update({
+                where: { id },
+                data: { reply_count: { increment: 1 } }
+            })
+            return tx.forumReply.create({
+                data: {
+                    thread_id: id,
+                    floor: updated.reply_count,
+                    content,
+                    author_id: cert.id,
+                    author_name: cert.username
+                }
+            })
+        })
+        ctx.body = reply
+    }
+)
+
 export const forumRoutes = forumRouter.routes()