diff --git a/deployment_new/templates/client_gpu/scripts/config.sh b/deployment_new/templates/client_gpu/scripts/config.sh
index 1f7b1fe..773e29c 100644
--- a/deployment_new/templates/client_gpu/scripts/config.sh
+++ b/deployment_new/templates/client_gpu/scripts/config.sh
@@ -79,3 +79,9 @@ if [[ ${#missing[@]} -gt 0 ]]; then
   err "以下变量必须在 compose/.env 中填写：${missing[*]}（已保留你现有的内容，不会被覆盖）"; exit 1; fi
 
 info "已生成 compose/.env；可执行 scripts/install.sh"
+
+# 准备并赋权宿主日志目录（幂等，便于安装前人工检查/预创建）
+mkdir -p "$PKG_ROOT/logs/train" "$PKG_ROOT/logs/infer"
+chmod 1777 "$PKG_ROOT/logs/train" "$PKG_ROOT/logs/infer" || true
+info "日志目录权限（期待 1777，含粘滞位）:"
+stat -c '%a %U:%G %n' "$PKG_ROOT/logs/train" "$PKG_ROOT/logs/infer" 2>/dev/null || true
diff --git a/deployment_new/templates/client_gpu/scripts/install.sh b/deployment_new/templates/client_gpu/scripts/install.sh
index 27950c0..dd7b66e 100644
--- a/deployment_new/templates/client_gpu/scripts/install.sh
+++ b/deployment_new/templates/client_gpu/scripts/install.sh
@@ -45,13 +45,20 @@ IMG_TGZ=$(ls -1 "$PKG_ROOT"/images/argus-sys-metric-test-node-bundle-gpu-*.tar.g
 info "导入 GPU bundle 镜像: $(basename "$IMG_TGZ")"
 tmp=$(mktemp); gunzip -c "$IMG_TGZ" > "$tmp"; docker load -i "$tmp" >/dev/null; rm -f "$tmp"
 
-# 确保日志目录存在（宿主侧，用于映射 /logs/infer 与 /logs/train）
+# 确保日志目录存在（宿主侧，用于映射 /logs/infer 与 /logs/train），并赋权 1777（粘滞位）
 mkdir -p "$PKG_ROOT/logs/infer" "$PKG_ROOT/logs/train"
-info "日志目录已准备: logs/infer logs/train"
+chmod 1777 "$PKG_ROOT/logs/infer" "$PKG_ROOT/logs/train" || true
+info "日志目录已准备并赋权 1777: logs/infer logs/train"
+stat -c '%a %U:%G %n' "$PKG_ROOT/logs/infer" "$PKG_ROOT/logs/train" 2>/dev/null || true
 
 # 启动 compose 并跟踪日志
 info "启动 GPU 节点 (docker compose up -d)"
 docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" up -d
 docker compose --env-file "$ENV_FILE" -f "$COMPOSE_FILE" ps
+
+# 再次校准宿主日志目录权限，避免容器内脚本对 bind mount 权限回退
+chmod 1777 "$PKG_ROOT/logs/infer" "$PKG_ROOT/logs/train" || true
+stat -c '%a %U:%G %n' "$PKG_ROOT/logs/infer" "$PKG_ROOT/logs/train" 2>/dev/null || true
+
 info "跟踪节点容器日志（按 Ctrl+C 退出）"
 docker logs -f argus-metric-gpu-node-swarm || true
diff --git a/src/log/fluent-bit/build/start-fluent-bit.sh b/src/log/fluent-bit/build/start-fluent-bit.sh
index 5b4cd35..953549a 100755
--- a/src/log/fluent-bit/build/start-fluent-bit.sh
+++ b/src/log/fluent-bit/build/start-fluent-bit.sh
@@ -77,7 +77,20 @@ cp -r /tmp/flb/etc/* /etc/fluent-bit/
 
 # Create logs/buffers dirs
 mkdir -p /logs/train /logs/infer /buffers
-chmod 755 /logs/train /logs/infer /buffers
+
+# 控制日志目录权限：默认对宿主 bind mount 目录采用 1777（可由环境变量关闭）
+: "${ARGUS_LOGS_WORLD_WRITABLE:=1}"
+if [[ "${ARGUS_LOGS_WORLD_WRITABLE}" == "1" ]]; then
+  chmod 1777 /logs/train /logs/infer || true
+else
+  chmod 755 /logs/train /logs/infer || true
+fi
+
+# 缓冲目录仅供进程使用，不对外开放写入
+chmod 770 /buffers || true
+
+# 目录属主设置为 fluent-bit（不影响 1777 粘滞位）
+chown -R fluent-bit:fluent-bit /logs /buffers 2>/dev/null || true
 
 # Wait for Elasticsearch via bash /dev/tcp to avoid curl dependency
 echo "[INFO] Waiting for Elasticsearch to be ready (tcp ${ES_HOST}:${ES_PORT})..."
diff --git a/src/metric/client-plugins/all-in-one-full/plugins/fluent-bit/install.sh b/src/metric/client-plugins/all-in-one-full/plugins/fluent-bit/install.sh
index 1d5f371..5137152 100755
--- a/src/metric/client-plugins/all-in-one-full/plugins/fluent-bit/install.sh
+++ b/src/metric/client-plugins/all-in-one-full/plugins/fluent-bit/install.sh
@@ -171,9 +171,16 @@ fi
 # 创建日志和缓冲区目录
 log_info "Creating log and buffer directories..."
 mkdir -p /logs/train /logs/infer /buffers
-chmod 755 /logs/train /logs/infer
-chmod 770 /buffers
-chown -R fluent-bit:fluent-bit /logs /buffers
+# 对共享日志目录采用 1777（含粘滞位），便于宿主任意账号创建文件/目录
+if [[ "${ARGUS_LOGS_WORLD_WRITABLE:-1}" == "1" ]]; then
+    chmod 1777 /logs/train /logs/infer || true
+else
+    chmod 755 /logs/train /logs/infer || true
+fi
+# 缓冲目录限进程使用
+chmod 770 /buffers || true
+# 目录属主设置，不影响 1777 粘滞位
+chown -R fluent-bit:fluent-bit /logs /buffers 2>/dev/null || true
 
 # 启动 Fluent Bit
 log_info "Starting Fluent Bit with configuration from /etc/fluent-bit/"