diff --git a/scripts/local_test.sh b/scripts/local_test.sh
index 6f3f079..78e3d2e 100755
--- a/scripts/local_test.sh
+++ b/scripts/local_test.sh
@@ -35,7 +35,9 @@ DIR="${SRC%/*}"; [ "$DIR" = "$SRC" ] && DIR="."
 cd "$DIR/.."; REPO_ROOT="$PWD"
 CLIENT="$REPO_ROOT/client"
 APP="$CLIENT/build/macos/Build/Products/Release/pangolin_vpn.app"
-SE="$APP/Contents/Library/SystemExtensions/PacketTunnel.systemextension"
+# sysext bundle 名 = 标识符(PRODUCT_NAME=com.pangolin.pangolin.PacketTunnel,见 CLAUDE.md),
+# 不是短名 PacketTunnel.systemextension。
+SE="$APP/Contents/Library/SystemExtensions/com.pangolin.pangolin.PacketTunnel.systemextension"
 LIBFW="$SE/Contents/Frameworks/Libbox.framework"
 PROF_DIR="$HOME/Library/Developer/Xcode/UserData/Provisioning Profiles"
 WORK="${TMPDIR:-/tmp}/pangolin_local_test"; mkdir -p "$WORK"
@@ -112,9 +114,9 @@ cmd_sign(){
   cp "$app_prof" "$APP/Contents/embedded.provisionprofile"
   cp "$se_prof"  "$SE/Contents/embedded.provisionprofile"
 
-  # 内向外:Libbox 真二进制 → Libbox.framework → sysext → app 各 framework → app 主体
-  cs -s "$SIGN_ID" "$LIBFW/Versions/A/Libbox"
-  cs -s "$SIGN_ID" "$LIBFW"
+  # 内向外:sysext → app 各 framework → app 主体。
+  # libbox 现为「只 Link 不 Embed」静态进 sysext 二进制(见 CLAUDE.md),sysext 内已无
+  # 独立 Libbox.framework;签 sysext bundle 即覆盖其静态链接的 libbox,无需单独签 framework。
   cs --entitlements "$WORK/sysext.entitlements" -s "$SIGN_ID" "$SE"
   local item
   for item in "$APP/Contents/Frameworks/"*; do