diff --git a/src/routers/post-router.ts b/src/routers/post-router.ts
index 66c16a1..74d726c 100644
--- a/src/routers/post-router.ts
+++ b/src/routers/post-router.ts
@@ -2,7 +2,7 @@ import 'reflect-metadata'
 import {Container} from "typedi"
 import {PostService} from "../services/post-service"
 import express from "express"
-import {body, query} from "express-validator"
+import {body, oneOf, query} from "express-validator"
 import * as Validator from "validator"
 import {hasValidationErrors} from "../includes"
 import {JWTUserPayload} from "../types"
@@ -11,9 +11,13 @@ let postService = Container.get(PostService)
 
 let postRouter = express.Router()
 postRouter.post('/submit',
-    body('content').notEmpty().withMessage('请输入内容')
+    oneOf([
+        body('content').exists(),
+        body('image').exists()
+    ]),
+    body('content').optional().notEmpty().withMessage('请输入内容')
         .escape(),
-    body('image').isURL({host_whitelist: [/.*\.360buyimg\.com/]}).withMessage('仅支援*.360buyimg.com下的图片'),
+    body('image').optional().isURL({host_whitelist: [/.*\.360buyimg\.com/]}).withMessage('仅支援*.360buyimg.com下的图片'),
     async (req: express.Request, res: express.Response) => {
         if (hasValidationErrors(req, res)) return
         res.json(await postService.submit(req.user as JWTUserPayload, req.body.content, req.body.image))