diff --git a/document/content/docs/upgrading/4-12/4125.mdx b/document/content/docs/upgrading/4-12/4125.mdx
index 2d18c6ca9..883913ba7 100644
--- a/document/content/docs/upgrading/4-12/4125.mdx
+++ b/document/content/docs/upgrading/4-12/4125.mdx
@@ -13,10 +13,13 @@ description: 'FastGPT V4.12.5 更新说明'
 ## 🐛 修复
 
 1. debug 模式下，全局变量未传递。
-2. debug 模式下，前方节点参数无法传递至后方节点
+2. debug 模式下，前方节点参数无法传递至后方节点。
 3. 调试模式下，开启“自动执行”，会跳过外部变量的填写。
-4. 自动语音回复未生效
-5. 节点复制，报错捕获配置丢失
+4. 自动语音回复未生效。
+5. 节点复制，报错捕获配置丢失。
+6. “猜你想问”的自定义提示词，保存时，上一次的值会被置空。
+7. 配置了二级路由的情况下，知识库检索出来的图片地址拼接异常。
+8. Prompt 编辑器，键盘输入时会清除掉 Markdown 标记。
 
 ## 🔨 插件更新
 
diff --git a/document/data/doc-last-modified.json b/document/data/doc-last-modified.json
index 6d64d370e..947298e8f 100644
--- a/document/data/doc-last-modified.json
+++ b/document/data/doc-last-modified.json
@@ -39,6 +39,7 @@
   "document/content/docs/introduction/development/proxy/http_proxy.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/development/proxy/nginx.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/development/sealos.mdx": "2025-08-05T23:20:39+08:00",
+  "document/content/docs/introduction/development/signoz.mdx": "2025-09-17T22:29:56+08:00",
   "document/content/docs/introduction/guide/DialogBoxes/htmlRendering.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/DialogBoxes/quoteList.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/admin/sso.mdx": "2025-09-08T20:07:04+08:00",
@@ -63,7 +64,7 @@
   "document/content/docs/introduction/guide/dashboard/workflow/http.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/dashboard/workflow/knowledge_base_search_merge.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/dashboard/workflow/laf.mdx": "2025-07-23T21:35:03+08:00",
-  "document/content/docs/introduction/guide/dashboard/workflow/loop.mdx": "2025-07-23T21:35:03+08:00",
+  "document/content/docs/introduction/guide/dashboard/workflow/loop.mdx": "2025-09-17T22:29:56+08:00",
   "document/content/docs/introduction/guide/dashboard/workflow/question_classify.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/dashboard/workflow/reply.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/dashboard/workflow/sandbox.mdx": "2025-07-23T21:35:03+08:00",
@@ -80,7 +81,7 @@
   "document/content/docs/introduction/guide/knowledge_base/template.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/knowledge_base/third_dataset.mdx": "2025-07-24T13:00:27+08:00",
   "document/content/docs/introduction/guide/knowledge_base/websync.mdx": "2025-08-05T23:20:39+08:00",
-  "document/content/docs/introduction/guide/knowledge_base/yuque_dataset.mdx": "2025-09-17T19:04:12+08:00",
+  "document/content/docs/introduction/guide/knowledge_base/yuque_dataset.mdx": "2025-09-17T22:29:56+08:00",
   "document/content/docs/introduction/guide/plugins/bing_search_plugin.mdx": "2025-07-23T21:35:03+08:00",
   "document/content/docs/introduction/guide/plugins/dev_system_tool.mdx": "2025-08-20T19:00:48+08:00",
   "document/content/docs/introduction/guide/plugins/doc2x_plugin_guide.mdx": "2025-07-23T21:35:03+08:00",
@@ -98,7 +99,7 @@
   "document/content/docs/protocol/terms.en.mdx": "2025-08-03T22:37:45+08:00",
   "document/content/docs/protocol/terms.mdx": "2025-08-03T22:37:45+08:00",
   "document/content/docs/toc.en.mdx": "2025-08-04T13:42:36+08:00",
-  "document/content/docs/toc.mdx": "2025-09-17T18:33:31+08:00",
+  "document/content/docs/toc.mdx": "2025-09-17T22:29:56+08:00",
   "document/content/docs/upgrading/4-10/4100.mdx": "2025-08-02T19:38:37+08:00",
   "document/content/docs/upgrading/4-10/4101.mdx": "2025-09-08T20:07:20+08:00",
   "document/content/docs/upgrading/4-11/4110.mdx": "2025-08-05T23:20:39+08:00",
@@ -107,8 +108,8 @@
   "document/content/docs/upgrading/4-12/4121.mdx": "2025-09-07T14:41:48+08:00",
   "document/content/docs/upgrading/4-12/4122.mdx": "2025-09-07T14:41:48+08:00",
   "document/content/docs/upgrading/4-12/4123.mdx": "2025-09-07T20:55:14+08:00",
-  "document/content/docs/upgrading/4-12/4124.mdx": "2025-09-17T18:36:54+08:00",
-  "document/content/docs/upgrading/4-12/4125.mdx": "2025-09-17T21:22:47+08:00",
+  "document/content/docs/upgrading/4-12/4124.mdx": "2025-09-17T22:29:56+08:00",
+  "document/content/docs/upgrading/4-12/4125.mdx": "2025-09-18T16:15:12+08:00",
   "document/content/docs/upgrading/4-8/40.mdx": "2025-08-02T19:38:37+08:00",
   "document/content/docs/upgrading/4-8/41.mdx": "2025-08-02T19:38:37+08:00",
   "document/content/docs/upgrading/4-8/42.mdx": "2025-08-02T19:38:37+08:00",
diff --git a/packages/service/common/file/image/utils.ts b/packages/service/common/file/image/utils.ts
index 492662e70..a61953ad3 100644
--- a/packages/service/common/file/image/utils.ts
+++ b/packages/service/common/file/image/utils.ts
@@ -35,10 +35,14 @@ export const getImageBase64 = async (url: string) => {
 
 export const addEndpointToImageUrl = (text: string) => {
   const baseURL = process.env.FE_DOMAIN;
+  const subRoute = process.env.NEXT_PUBLIC_BASE_URL || '';
   if (!baseURL) return text;
-  // 匹配 /api/system/img/xxx.xx 的图片链接，并追加 baseURL
-  return text.replace(
-    /(?<!https?:\/\/[^\s]*)(?:\/api\/system\/img\/[^\s.]*\.[^\s]*)/g,
-    (match) => `${baseURL}${match}`
+  const regex = new RegExp(
+    `(?<!https?:\\/\\/[^\\s]*)(?:${subRoute}\\/api\\/system\\/img\\/[^\\s.]*\\.[^\\s]*)`,
+    'g'
   );
+  // 匹配 ${subRoute}/api/system/img/xxx.xx 的图片链接，并追加 baseURL
+  return text.replace(regex, (match) => {
+    return `${baseURL}${match}`;
+  });
 };
diff --git a/packages/web/components/common/Textarea/CustomPromptEditor/index.tsx b/packages/web/components/common/Textarea/CustomPromptEditor/index.tsx
index 0cf27e1e0..93c56d12a 100644
--- a/packages/web/components/common/Textarea/CustomPromptEditor/index.tsx
+++ b/packages/web/components/common/Textarea/CustomPromptEditor/index.tsx
@@ -126,6 +126,7 @@ const CustomPromptEditor = ({
             border="none"
             p={0}
             mb={2}
+            rounded={'none'}
             _focus={{
               border: 'none',
               boxShadow: 'none'
@@ -142,7 +143,7 @@ const CustomPromptEditor = ({
           <Button
             fontWeight={'medium'}
             onClick={() => {
-              onChange(value.replace(defaultValue, ''));
+              onChange(value.replace(defaultPrompt, ''));
               onClose();
             }}
             w={20}
diff --git a/packages/web/components/common/Textarea/PromptEditor/plugins/MarkdownTransformers/index.ts b/packages/web/components/common/Textarea/PromptEditor/plugins/MarkdownTransformers/index.ts
index 9e4804b66..01324bb07 100644
--- a/packages/web/components/common/Textarea/PromptEditor/plugins/MarkdownTransformers/index.ts
+++ b/packages/web/components/common/Textarea/PromptEditor/plugins/MarkdownTransformers/index.ts
@@ -1,12 +1,3 @@
-import {
-  CHECK_LIST,
-  ELEMENT_TRANSFORMERS,
-  TEXT_FORMAT_TRANSFORMERS,
-  type Transformer
-} from '@lexical/markdown';
+import { ORDERED_LIST, UNORDERED_LIST, type Transformer } from '@lexical/markdown';
 
-export const RICH_PROMPT_TRANSFORMERS: Array<Transformer> = [
-  CHECK_LIST,
-  ...ELEMENT_TRANSFORMERS,
-  ...TEXT_FORMAT_TRANSFORMERS
-];
+export const RICH_PROMPT_TRANSFORMERS: Array<Transformer> = [ORDERED_LIST, UNORDERED_LIST];