diff --git a/router/api-router.go b/router/api-router.go
index 903ad3c55..e83669d3e 100644
--- a/router/api-router.go
+++ b/router/api-router.go
@@ -355,8 +355,8 @@ func SetApiRouter(router *gin.Engine) {
 			docsPublic.GET("/:slug", controller.GetDocument)
 		}
 
-		// Document routes (admin)
-		docsAdmin := apiRouter.Group("/docs/admin")
+		// Document routes (admin) - use /admin/docs to avoid conflict with /:slug
+		docsAdmin := apiRouter.Group("/admin/docs")
 		docsAdmin.Use(middleware.AdminAuth())
 		{
 			docsAdmin.GET("/categories", controller.GetCategories)
diff --git a/web/default/src/features/doc-categories/index.tsx b/web/default/src/features/doc-categories/index.tsx
index 558edecd6..4652053c8 100644
--- a/web/default/src/features/doc-categories/index.tsx
+++ b/web/default/src/features/doc-categories/index.tsx
@@ -49,7 +49,7 @@ export function DocCategories() {
   const fetchCategories = useCallback(async () => {
     try {
       setLoading(true)
-      const res = await api.get('/api/docs/admin/categories')
+      const res = await api.get('/api/admin/docs/categories')
       setCategories(res.data?.data || [])
     } catch (err) {
       console.error('Failed to fetch categories:', err)
@@ -81,9 +81,9 @@ export function DocCategories() {
         sort_order: form.sort_order,
       }
       if (editingCategory) {
-        await api.put(`/api/docs/admin/categories/${editingCategory.id}`, payload)
+        await api.put(`/api/admin/docs/categories/${editingCategory.id}`, payload)
       } else {
-        await api.post('/api/docs/admin/categories', payload)
+        await api.post('/api/admin/docs/categories', payload)
       }
       setDialogOpen(false)
       fetchCategories()
@@ -95,7 +95,7 @@ export function DocCategories() {
   const handleDelete = async () => {
     if (!deleteTarget) return
     try {
-      await api.delete(`/api/docs/admin/categories/${deleteTarget.id}`)
+      await api.delete(`/api/admin/docs/categories/${deleteTarget.id}`)
       setDeleteTarget(null)
       fetchCategories()
     } catch (err) {
diff --git a/web/default/src/features/docs-management/index.tsx b/web/default/src/features/docs-management/index.tsx
index e8d43ab5b..1abd209e2 100644
--- a/web/default/src/features/docs-management/index.tsx
+++ b/web/default/src/features/docs-management/index.tsx
@@ -69,8 +69,8 @@ export function DocsManagement() {
     try {
       setLoading(true)
       const [docsRes, catsRes] = await Promise.all([
-        api.get('/api/docs/admin/'),
-        api.get('/api/docs/admin/categories'),
+        api.get('/api/admin/docs/'),
+        api.get('/api/admin/docs/categories'),
       ])
       const docsData = docsRes.data?.data
       setDocs(Array.isArray(docsData) ? docsData : docsData?.items || [])
@@ -114,9 +114,9 @@ export function DocsManagement() {
         sort_order: form.sort_order,
       }
       if (editingDoc) {
-        await api.put(`/api/docs/admin/${editingDoc.id}`, payload)
+        await api.put(`/api/admin/docs/${editingDoc.id}`, payload)
       } else {
-        await api.post('/api/docs/admin/', payload)
+        await api.post('/api/admin/docs/', payload)
       }
       setDialogOpen(false)
       fetchData()
@@ -128,7 +128,7 @@ export function DocsManagement() {
   const handleDelete = async () => {
     if (!deleteTarget) return
     try {
-      await api.delete(`/api/docs/admin/${deleteTarget.id}`)
+      await api.delete(`/api/admin/docs/${deleteTarget.id}`)
       setDeleteTarget(null)
       fetchData()
     } catch (err) {