diff --git a/backend/platform-system/src/main/java/com/yfd/platform/constant/Constant.java b/backend/platform-system/src/main/java/com/yfd/platform/constant/Constant.java
new file mode 100644
index 0000000..c460999
--- /dev/null
+++ b/backend/platform-system/src/main/java/com/yfd/platform/constant/Constant.java
@@ -0,0 +1,42 @@
+package com.yfd.platform.constant;
+
+/**
+ * @author TangWei
+ * @Date: 2023/3/3 17:40
+ * @Description: 常量类
+ */
+public class Constant {
+
+    public static final String LOGIN = "login:";
+    public static final String TOKEN = "token:";
+    public static final String USER_ID = "userid";
+    public static final String DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
+
+    public static final String CODE_KEY = "code-key-";
+    public static final long CODE_EXPIRATION_TIME = 1000 * 60;
+    /**
+     * 用于IP定位转换
+     */
+    public static final String REGION = "内网IP|内网IP";
+    /**
+     * win 系统
+     */
+    public static final String WIN = "win";
+
+    /**
+     * mac 系统
+     */
+    public static final String MAC = "mac";
+
+    /**
+     * 常用接口
+     */
+    public static class Url {
+
+        // IP归属地查询
+        // public static final String IP_URL = "http://whois.pconline.com
+        // .cn/ipJson.jsp?ip=%s&json=true";
+        public static final String IP_URL = "http://whois.pconline.com" +
+                ".cn/ipJson.jsp?ip=%s&json=true";
+    }
+}
diff --git a/backend/pom.xml b/backend/pom.xml
index 71e10ab..e06635e 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -32,7 +32,8 @@
 		<hutool.version>5.8.8</hutool.version>
 		<poi.version>4.1.2</poi.version>
 		<poi.ooxml.version>4.1.2</poi.ooxml.version>
-		<fastjson.version>1.2.70</fastjson.version>
+		<fastjson.version>1.2.83</fastjson.version>
+		<fastjson2.version>2.0.53</fastjson2.version>
 		<springdoc.version>3.0.2</springdoc.version>
 		<freemarker.version>2.3.28</freemarker.version>
 		<jsoup.version>1.11.3</jsoup.version>
@@ -40,7 +41,7 @@
 		<ip2region.version>1.7.2</ip2region.version>
 		<easy.captcha.version>1.6.2</easy.captcha.version>
 		<useragentutils.version>1.21</useragentutils.version>
-		
+		<redis.version>4.0.3</redis.version>
 	</properties>
 
 	<!-- 统一管理 MyBatis 相关版本，解决依赖收敛冲突 -->
@@ -119,6 +120,12 @@
 			<dependency>
 				<groupId>org.apache.commons</groupId>
 				<artifactId>commons-lang3</artifactId>
+				<version>3.12.0</version>
+			</dependency>
+			<dependency>
+				<groupId>commons-codec</groupId>
+				<artifactId>commons-codec</artifactId>
+				<version>1.15</version>
 			</dependency>
 			<dependency>
 				<groupId>org.projectlombok</groupId>
@@ -146,6 +153,12 @@
 				<artifactId>fastjson</artifactId>
 				<version>${fastjson.version}</version>
 			</dependency>
+
+			<dependency>
+				<groupId>com.alibaba.fastjson2</groupId>
+				<artifactId>fastjson2</artifactId><!-- 或更新的 2.x 版本 -->
+				<version>${fastjson2.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.freemarker</groupId>
 				<artifactId>freemarker</artifactId>
@@ -189,6 +202,12 @@
 				<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
 				<version>${springdoc.version}</version>
 			</dependency>
+			<!-- Spring Boot Redis -->
+			<dependency>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-starter-data-redis</artifactId>
+				<version>${redis.version}</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 	<dependencies>