refactor(server): 更新 Java 版本并优化停止脚本

- 将 Java 版本从17.0.16+8 升级到 21.0.8+9
- 优化停止脚本以更准确地获取应用进程 ID
- 添加使用 jps 命令获取进程 ID 的备选方案

leopard-server/bin/stop.sh

@@ -1,10 +1,17 @@
 #!/bin/bash
 
 original_command="$0"
-application_name="/home/ubuntu/app/leopard-server-1.0.0.jar"
+application_name="leopard-server-1.0.0.jar"
 
 function get_pid() {
-  echo $(ps ef | grep "$application_name" | grep -v grep | awk '{ print $1 }')
+  ID=$(ps -ef | grep "$application_name" | grep -v grep | grep -v $original_command | awk '{ print $2 }')
+  if [[ -z "$ID" ]]; then
+    ID=$(ps aux | grep "$application_name" | grep -v grep | grep -v $original_command | awk '{print $2}')
+    if [[ -z "$ID" ]]; then
+      ID=$(/home/ubuntu/jdk-21.0.8+9/bin/jps -lmvV | grep "$application_name" | awk '{print $1}')
+    fi
+  fi
+  echo $ID
 }
 
 pid=$(get_pid)
@@ -31,3 +38,4 @@ while (true); do
   fi
   sleep 1s
 done
+