diff --git a/scripts/build-linux-deb-all.sh b/scripts/build-linux-deb-all.sh
index b3bba0f..0c96c97 100644
--- a/scripts/build-linux-deb-all.sh
+++ b/scripts/build-linux-deb-all.sh
@@ -101,7 +101,9 @@ parse_args() {
       ;;
   esac
 
-  printf '%s\n' "$@"
+  if (($# > 0)); then
+    printf '%s\n' "$@"
+  fi
 }
 
 check_x64_pkgconfig() {
diff --git a/scripts/docker/run-build.sh b/scripts/docker/run-build.sh
index 99dd6e6..600fbd8 100644
--- a/scripts/docker/run-build.sh
+++ b/scripts/docker/run-build.sh
@@ -15,6 +15,15 @@ else
   SELECTED_PROJECTS=("${PROJECT_ARGS[@]}")
 fi
 
+# 防御性过滤空行，避免出现未知项目 ""
+FILTERED_PROJECTS=()
+for d in "${SELECTED_PROJECTS[@]}"; do
+  if [[ -n "$d" ]]; then
+    FILTERED_PROJECTS+=("$d")
+  fi
+done
+SELECTED_PROJECTS=("${FILTERED_PROJECTS[@]}")
+
 if ((${#SELECTED_PROJECTS[@]} == 0)); then
   echo "错误: 没有可构建项目" >&2
   exit 1