diff --git a/Assets.xcassets/RimeIcon.appiconset/Contents.json b/Assets.xcassets/RimeIcon.appiconset/Contents.json
index 3c4a8a776..9c932cf63 100644
--- a/Assets.xcassets/RimeIcon.appiconset/Contents.json
+++ b/Assets.xcassets/RimeIcon.appiconset/Contents.json
@@ -37,7 +37,7 @@
       "size" : "128x128"
     },
     {
-      "filename" : "rime-257.png",
+      "filename" : "rime-256.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "256x256"
@@ -49,7 +49,7 @@
       "size" : "256x256"
     },
     {
-      "filename" : "rime-513.png",
+      "filename" : "rime-512.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "512x512"
diff --git a/Assets.xcassets/RimeIcon.appiconset/rime-257.png b/Assets.xcassets/RimeIcon.appiconset/rime-257.png
deleted file mode 100644
index a70083d6d..000000000
Binary files a/Assets.xcassets/RimeIcon.appiconset/rime-257.png and /dev/null differ
diff --git a/Assets.xcassets/RimeIcon.appiconset/rime-513.png b/Assets.xcassets/RimeIcon.appiconset/rime-513.png
deleted file mode 100644
index 927c419d3..000000000
Binary files a/Assets.xcassets/RimeIcon.appiconset/rime-513.png and /dev/null differ