diff --git a/backend/.npmrc b/backend/.npmrc
new file mode 100644
index 0000000..ecb211d
--- /dev/null
+++ b/backend/.npmrc
@@ -0,0 +1,9 @@
+# pnpm Configuration for Docker Build
+# Fix bin linking issues in deploy stage
+
+shamefully-hoist=true
+hoist-pattern=*
+public-hoist-pattern=*
+node-linker=isolated
+strict-peer-dependencies=false
+auto-install-peers=true
diff --git a/frontend/app/(admin)/admin/doc-control/reference/tags/page.tsx b/frontend/app/(admin)/admin/doc-control/reference/tags/page.tsx
index a06f5f7..0159966 100644
--- a/frontend/app/(admin)/admin/doc-control/reference/tags/page.tsx
+++ b/frontend/app/(admin)/admin/doc-control/reference/tags/page.tsx
@@ -36,7 +36,7 @@ export default function TagsPage() {
       accessorKey: "tag_name",
       header: "Tag Name",
       cell: ({ row }) => {
-        const color = row.original.color_code || 'default';
+        const color = String(row.original.color_code || 'default');
         const isHex = color.startsWith('#');
         return (
           <div className="flex items-center gap-2">