Doc (#2916)

* perf: community code

* update doc

projects/app/public/docs/chatProblem.md

@@ -11,4 +11,4 @@
 **其他问题**
 | 扫码进入交流群 |
 | ----------------------- |
-| ![](https://oss.laf.run/htr4n1-images/fastgpt-qr-code.jpg) |
+| ![](https://oss.laf.run/otnvvf-imgs/fastgpt-feishu1.png) |

projects/app/src/service/common/system/index.ts

@@ -64,7 +64,7 @@ const defaultFeConfigs: FastGPTFeConfigsType = {
     'https://fael3z0zfze.feishu.cn/wiki/CX9wwMGyEi5TL6koiLYcg7U0nWb?fromScene=spaceOverview',
   systemTitle: 'FastGPT',
   concatMd:
-    '项目开源地址: [FastGPT GitHub](https://github.com/labring/FastGPT)\n交流群: ![](https://oss.laf.run/htr4n1-images/fastgpt-qr-code.jpg)',
+    '项目开源地址: [FastGPT GitHub](https://github.com/labring/FastGPT)\n交流群: ![](https://oss.laf.run/otnvvf-imgs/fastgpt-feishu1.png)',
   limit: {
     exportDatasetLimitMinutes: 0,
     websiteSyncLimitMinuted: 0