diff --git a/sh/init_jdk.sh b/sh/init_jdk.sh
new file mode 100644
index 0000000..fe9e10a
--- /dev/null
+++ b/sh/init_jdk.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# JDK 17 安装脚本 for CentOS
+# 作者：awt
+# 日期：mx
+
+# 检查是否以root用户运行
+if [ "$(id -u)" -ne 0 ]; then
+    echo "请使用root用户或通过sudo运行此脚本"
+    exit 1
+fi
+
+# 安装必要依赖
+echo "正在安装必要依赖..."
+yum install -y wget tar gzip
+
+# 设置JDK版本
+JDK_VERSION="17.0.10"
+JDK_BUILD="7"
+JDK_ARCHIVE="jdk-${JDK_VERSION}_linux-x64_bin.tar.gz"
+JDK_URL="https://download.oracle.com/java/${JDK_VERSION%%.*}/archive/jdk-${JDK_VERSION}_linux-x64_bin.tar.gz"
+
+# 安装目录
+INSTALL_DIR="/usr/lib/jvm"
+JAVA_HOME_DIR="jdk-${JDK_VERSION}"
+
+# 创建安装目录
+mkdir -p ${INSTALL_DIR}
+cd ${INSTALL_DIR}
+
+# 下载JDK (使用--no-check-certificate和--no-cookies配合Oracle的复杂下载逻辑)
+echo "正在下载JDK ${JDK_VERSION}..."
+wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" ${JDK_URL} -O ${JDK_ARCHIVE}
+
+if [ $? -ne 0 ]; then
+    echo "JDK下载失败，请检查网络连接或URL有效性"
+    exit 1
+fi
+
+# 解压安装
+echo "正在安装JDK..."
+tar -xzf ${JDK_ARCHIVE}
+rm -f ${JDK_ARCHIVE}
+
+# 设置环境变量
+echo "配置环境变量..."
+cat > /etc/profile.d/java.sh <<EOF
+export JAVA_HOME=${INSTALL_DIR}/${JAVA_HOME_DIR}
+export PATH=\$JAVA_HOME/bin:\$PATH
+EOF
+
+# 加载环境变量
+source /etc/profile.d/java.sh
+
+# 更新alternatives系统
+echo "设置系统默认Java..."
+if [ -d "${INSTALL_DIR}/${JAVA_HOME_DIR}/bin" ]; then
+    update-alternatives --install "/usr/bin/java" "java" "${INSTALL_DIR}/${JAVA_HOME_DIR}/bin/java" 1000
+    update-alternatives --install "/usr/bin/javac" "javac" "${INSTALL_DIR}/${JAVA_HOME_DIR}/bin/javac" 1000
+    update-alternatives --set java "${INSTALL_DIR}/${JAVA_HOME_DIR}/bin/java"
+    update-alternatives --set javac "${INSTALL_DIR}/${JAVA_HOME_DIR}/bin/javac"
+else
+    echo "Java二进制文件未找到，安装可能失败"
+    exit 1
+fi
+
+# 验证安装
+echo "验证Java版本..."
+java -version
+javac -version
+
+echo "JDK ${JDK_VERSION} 安装完成！"
+echo "JAVA_HOME 设置为: ${INSTALL_DIR}/${JAVA_HOME_DIR}"
\ No newline at end of file
diff --git a/sh/template.sh b/sh/template.sh
new file mode 100644
index 0000000..6726af7
--- /dev/null
+++ b/sh/template.sh
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# 日志级别定义
+LOG_LEVEL_DEBUG=10
+LOG_LEVEL_INFO=20
+LOG_LEVEL_WARNING=30
+LOG_LEVEL_ERROR=40
+
+# 当前日志级别
+CURRENT_LOG_LEVEL=$LOG_LEVEL_INFO
+
+# 颜色定义
+COLOR_RESET="\033[0m"
+COLOR_DEBUG="\033[0;36m"
+COLOR_INFO="\033[0;32m"
+COLOR_WARNING="\033[0;33m"
+COLOR_ERROR="\033[0;31m"
+
+# 日志函数
+log() {
+    local level=$1
+    shift
+    local message="$*"
+    local timestamp=$(date +"%Y-%m-%d %H:%M:%S")
+    local color=$COLOR_RESET
+
+    if [ "$level" -ge "$CURRENT_LOG_LEVEL" ]; then
+        case $level in
+            $LOG_LEVEL_DEBUG)
+                color=$COLOR_DEBUG
+                ;;
+            $LOG_LEVEL_INFO)
+                color=$COLOR_INFO
+                ;;
+            $LOG_LEVEL_WARNING)
+                color=$COLOR_WARNING
+                ;;
+            $LOG_LEVEL_ERROR)
+                color=$COLOR_ERROR
+                ;;
+        esac
+        echo -e "${color}[$timestamp] [${level}] $message${COLOR_RESET}"
+    fi
+}
+
+# 帮助函数
+show_help() {
+    echo "Usage: $0 [options]"
+    echo "Options:"
+    echo "  -h, --help    Show this help message and exit"
+    echo "  -v, --verbose Set log level to debug"
+}
+
+# 解析命令行参数
+while [[ "$#" -gt 0 ]]; do
+    case $1 in
+        -h|--help)
+            show_help
+            exit 0
+            ;;
+        -v|--verbose)
+            CURRENT_LOG_LEVEL=$LOG_LEVEL_DEBUG
+            shift
+            ;;
+        *)
+            echo "Unknown parameter passed: $1"
+            show_help
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+# 示例日志记录
+log $LOG_LEVEL_INFO "Script started"
+log $LOG_LEVEL_DEBUG "This is a debug message"
+log $LOG_LEVEL_WARNING "This is a warning message"
+log $LOG_LEVEL_ERROR "This is an error message"