diff --git a/src/screen/FaceAuth.tsx b/src/screen/FaceAuth.tsx
index 69e131a..cb47e2e 100644
--- a/src/screen/FaceAuth.tsx
+++ b/src/screen/FaceAuth.tsx
@@ -67,4 +67,10 @@ const styles = StyleSheet.create({
     button: {
         backgroundColor: '#4CAF50',
         padding: 15,
-        borderRadius
+        borderRadius: 8,
+    },
+    buttonText: {
+        color: '#fff',
+        fontWeight: 'bold',
+    },
+});