diff --git a/lib/message/system_details.dart b/lib/message/system_details.dart
index 0a14b538..8ff701a2 100644
--- a/lib/message/system_details.dart
+++ b/lib/message/system_details.dart
@@ -240,10 +240,10 @@ class _SystemDetails extends State<SystemDetails> {
                 children: [
                   Image.asset(
                     (message.typed == 1)
-                        ? "assets/image/icon_system_message.png"
+                        ? "assets/image/icon_system_message.webp"
                         : (message.typed == 2)
-                        ? "assets/image/icon_system_message.png"
-                        : "assets/image/c_z.png",
+                        ? "assets/image/icon_system_message.webp"
+                        : "assets/image/c_z.webp",
                     width: 24.w,
                     height: 24.h,
                   ),