diff --git a/.changeset/strange-lamps-live.md b/.changeset/strange-lamps-live.md
new file mode 100644
index 0000000000..e311b69038
--- /dev/null
+++ b/.changeset/strange-lamps-live.md
@@ -0,0 +1,5 @@
+---
+"@scow/ai": patch
+---
+
+修复 AI 应用的工作目录和挂载点重复时报错
diff --git a/apps/ai/src/app/(auth)/jobs/[clusterId]/LaunchAppForm.tsx b/apps/ai/src/app/(auth)/jobs/[clusterId]/LaunchAppForm.tsx
index 58a9569a1e..ea19affa7b 100644
--- a/apps/ai/src/app/(auth)/jobs/[clusterId]/LaunchAppForm.tsx
+++ b/apps/ai/src/app/(auth)/jobs/[clusterId]/LaunchAppForm.tsx
@@ -351,6 +351,13 @@ export const LaunchAppForm = (props: Props) => {
         name={["customFields", item.name]}
         rules={rules}
         initialValue={initialValue}
+        {...(item.name === "workingDir" ? {
+          tooltip: (
+            <>
+              <span>工作目录的路径会自动添加为挂载点</span>
+            </>
+          ),
+        } : {})}
       >
         {inputItem}
       </Form.Item>
@@ -748,6 +755,12 @@ export const LaunchAppForm = (props: Props) => {
                           if (otherMountPoints.includes(currentValueNormalized)) {
                             return Promise.reject(new Error("挂载点地址不能重复"));
                           }
+
+                          const workingDirectory = form.getFieldValue("customFields").workingDir?.toString();
+                          if (workingDirectory && workingDirectory.replace(/\/+$/, "") === currentValueNormalized) {
+                            return Promise.reject(new Error("该路径已指定为工作目录，无需再设置为挂载点"));
+                          }
+
                           return Promise.resolve();
                         },
                       }),