init: 添加工具类

pom.xml

@@ -110,6 +110,38 @@
             <version>0.2.8</version>
         </dependency>
 
+        <!-- JWT 相关依赖 -->
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-api</artifactId>
+            <version>0.11.5</version>
+        </dependency>
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-impl</artifactId>
+            <version>0.11.5</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt-jackson</artifactId>
+            <version>0.11.5</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- 阿里云短信服务SDK -->
+        <dependency>
+            <groupId>com.aliyun</groupId>
+            <artifactId>dysmsapi20170525</artifactId>
+            <version>3.0.0</version>
+        </dependency>
+
+        <!-- Spring Mail 邮件发送 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-mail</artifactId>
+        </dependency>
+
     </dependencies>
     <dependencyManagement>
         <dependencies>