diff --git a/scripts/run_lpmm.sh b/scripts/run_lpmm.sh
index 33eb72842..1671f0112 100644
--- a/scripts/run_lpmm.sh
+++ b/scripts/run_lpmm.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # ==============================================
 # 环境初始化：确保Python脚本在正确的目录下运行