diff --git a/scripts/build_binary.sh b/scripts/build_binary.sh
index eb53573..4b2419d 100644
--- a/scripts/build_binary.sh
+++ b/scripts/build_binary.sh
@@ -72,7 +72,11 @@ tenant:tenant
 gen_jobs() {
   local pkgdir=$1 outpkg=$2
   find "$pkgdir" -name "*.py" -not -path "*__pycache__*" -not -name "test_*" \
-       -not -path "*/tests/*" -not -path "*/.git/*" | while read -r f; do
+       -not -path "*/tests/*" -not -path "*/.git/*" \
+       -not -name "*.bak.py" -not -name "*.old.py" | while read -r f; do
+    # py_compile 预门（2026-09-17 实抓）：源码态就语法坏的死文件（p2p_middleware/rsa_key_rw/
+    # clickhouseor，全仓零引用、从未可 import）直接跳过——Nuitka 对语法零容忍会整批 FAIL
+    "$PY" -m py_compile "$f" 2>/dev/null || { echo "SKIP(broken-syntax,源码态死文件): $f" >> "$FAILLOG.broken"; continue; }
     local rel=${f#$pkgdir/} dir stem src mode cout
     dir=$(dirname "$rel"); stem=$(basename "$f" .py)
     local destdir="$OUT/$outpkg"; [ "$dir" != "." ] && destdir="$OUT/$outpkg/$dir"