diff --git a/run.sh b/run.sh
index aab3883..90da7ae 100755
--- a/run.sh
+++ b/run.sh
@@ -121,6 +121,7 @@ rotate_log() {
 # 后端服务（本地开发模式）
 # ============================================================
 start_backend() {
+    ensure_go_path || return 1
     info "启动后端服务..."
     cd "$SCRIPT_DIR/$BACKEND_DIR"
     mkdir -p logs
@@ -411,8 +412,21 @@ websocket:
 YAML
 }
 
+# 非交互 shell 常缺 Go PATH，补充常见安装目录 // Logan.Li
+ensure_go_path() {
+    if command -v go &>/dev/null; then
+        return 0
+    fi
+    export PATH="/usr/local/go/bin:$HOME/go/bin:/usr/lib/go/bin:$PATH"
+    if ! command -v go &>/dev/null; then
+        error "Go 未安装或不在 PATH，请先安装 Go 1.24+"
+        return 1
+    fi
+}
+
 # 编译独立二进制（含 embed 前端）// Logan.Li
 build_standalone_binary() {
+    ensure_go_path || return 1
     build_frontend_embed
     ensure_binary_config
     clean_go_artifacts