diff --git a/broadcast-client/src-tauri/tauri.conf.json b/broadcast-client/src-tauri/tauri.conf.json
index 1e0c654..9337ac5 100644
--- a/broadcast-client/src-tauri/tauri.conf.json
+++ b/broadcast-client/src-tauri/tauri.conf.json
@@ -49,9 +49,7 @@
       "icon": [
         "icons/32x32.png",
         "icons/128x128.png",
-        "icons/128x128@2x.png",
-        "icons/icon.icns",
-        "icons/icon.ico"
+        "icons/256x256.png"
       ]
     }
   }
diff --git a/call-client/src-tauri/tauri.conf.json b/call-client/src-tauri/tauri.conf.json
index 35427c6..d2671b5 100644
--- a/call-client/src-tauri/tauri.conf.json
+++ b/call-client/src-tauri/tauri.conf.json
@@ -55,9 +55,7 @@
       "icon": [
         "icons/32x32.png",
         "icons/128x128.png",
-        "icons/128x128@2x.png",
-        "icons/icon.icns",
-        "icons/icon.ico"
+        "icons/256x256.png"
       ]
     }
   }
diff --git a/scripts/build-linux-deb-all.sh b/scripts/build-linux-deb-all.sh
index e1ab2a1..a9ede4d 100644
--- a/scripts/build-linux-deb-all.sh
+++ b/scripts/build-linux-deb-all.sh
@@ -192,6 +192,58 @@ build_one_target() {
   (cd "$abs_project" && npm run "$npm_cmd")
 }
 
+ensure_tauri_icons() {
+  local project_dir="$1"
+  local icons_dir="$REPO_ROOT/$project_dir/src-tauri/icons"
+  mkdir -p "$icons_dir"
+
+  if [[ -f "$icons_dir/32x32.png" && -f "$icons_dir/128x128.png" && -f "$icons_dir/256x256.png" ]]; then
+    return 0
+  fi
+
+  echo "==> [$project_dir] 生成默认图标资源（32/128/256）"
+  python3 - "$icons_dir" "$project_dir" <<'PY'
+import binascii
+import os
+import struct
+import sys
+import zlib
+
+icons_dir = sys.argv[1]
+project_name = sys.argv[2]
+
+if "broadcast" in project_name:
+    color = (16, 185, 129)  # green
+else:
+    color = (37, 99, 235)   # blue
+
+def png_chunk(tag: bytes, data: bytes) -> bytes:
+    return (
+        struct.pack("!I", len(data))
+        + tag
+        + data
+        + struct.pack("!I", binascii.crc32(tag + data) & 0xFFFFFFFF)
+    )
+
+def write_png(path: str, size: int, rgb: tuple[int, int, int]) -> None:
+    row = bytes(rgb) * size
+    raw = b"".join(b"\x00" + row for _ in range(size))
+    ihdr = struct.pack("!IIBBBBB", size, size, 8, 2, 0, 0, 0)
+    idat = zlib.compress(raw, 9)
+    png = (
+        b"\x89PNG\r\n\x1a\n"
+        + png_chunk(b"IHDR", ihdr)
+        + png_chunk(b"IDAT", idat)
+        + png_chunk(b"IEND", b"")
+    )
+    with open(path, "wb") as f:
+        f.write(png)
+
+for size in (32, 128, 256):
+    write_png(os.path.join(icons_dir, f"{size}x{size}.png"), size, color)
+PY
+}
+
 collect_debs() {
   local project_dir="$1"
   local arch_label="$2"
@@ -217,6 +269,7 @@ collect_debs() {
 
 build_project() {
   local project_dir="$1"
+  ensure_tauri_icons "$project_dir"
   if [[ "$BUILD_ARCH" == "all" || "$BUILD_ARCH" == "amd64" ]]; then
     echo ""
     echo "######## $project_dir: amd64 ########"