diff --git a/script/build.bat b/script/build.bat
index 395cc01..9796ee1 100644
--- a/script/build.bat
+++ b/script/build.bat
@@ -54,7 +54,13 @@ for /f "skip=1 tokens=1-4 delims=," %%i in (app.csv) do (
   ::replace  pacakge name
   .\script\sd.exe !old_title! !title! src-tauri\tauri.conf.json
   .\script\sd.exe !old_name! !name! src-tauri\tauri.windows.conf.json
+  if not exist src-tauri\png\!name!_32.ico (
+    copy src-tauri\png\icon_32.ico src-tauri\png\!name!_32.ico
+  )
 
+  if not exist src-tauri\png\!name!_256.ico (
+    copy src-tauri\png\icon_256.ico src-tauri\png\!name!_256.ico
+  )
   echo.
   ::update package info
   set old_zh_name=!name_zh!
diff --git a/script/build.sh b/script/build.sh
index 7329a9c..3ab1343 100755
--- a/script/build.sh
+++ b/script/build.sh
@@ -73,6 +73,15 @@ do
 
     # for apple, need replace title
     if [[ "$OSTYPE" =~ ^darwin ]]; then
+        # update icon
+        # if icon exsits, change icon path
+        if [! -f "src-tauri/icons/${packaage_name}.icons" ]; then
+            # else, replace icon to default
+            echo "warning"
+            echo "icon for MacOS not exsist, will use default icon to replace it"
+            echo "warning"
+            cp "src-tauri/icons/icon.icns" "src-tauri/icons/${packaage_name}.icons"
+        fi
         $sd "${old_name}" "${package_name}" src-tauri/tauri.macos.conf.json
         $sd "${old_title}" "${package_title}" src-tauri/tauri.conf.json
     fi
@@ -81,6 +90,16 @@ do
     # cp "src-tauri/png/${package_name}_32.ico" "src-tauri/icons/icon.ico"
 
     if [[ "$OSTYPE" =~ ^linux ]]; then
+        # update icon
+        # if icon exsits, change icon path
+        if [! -f "src-tauri/png/${package_name}_512.png" ]; then
+            # else, replace icon to default
+            echo "warning"
+            echo "icon for linux not exsist, will use default icon to replace it"
+            echo "warning"
+            cp "src-tauri/png/icon_256.ico" "src-tauri/png/${packaage_name}_256.ico"
+            cp "src-tauri/png/icon_512.png" "src-tauri/png/${packaage_name}_512.png"
+        fi
         $sd "${old_name}" "${package_name}" src-tauri/tauri.linux.conf.json
         echo "update desktop"
         old_desktop="src-tauri/assets/${package_prefix}-${old_name}.desktop"