diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/LoginController.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/LoginController.java
index de13846f..4445ea3e 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/LoginController.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/LoginController.java
@@ -1,4 +1,113 @@
 package com.zdxt.enforcementcode.controller.app;
 
-public class LoginController {
+import cn.dev33.satoken.stp.StpUtil;
+import cn.dev33.satoken.stp.parameter.SaLoginParameter;
+import cn.hutool.crypto.digest.DigestUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.dromara.common.core.domain.R;
+import org.dromara.common.core.domain.model.LoginUser;
+import org.dromara.common.satoken.utils.LoginHelper;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.Map;
+
+/**
+ * App端登录公共基类
+ * 提供AES解密、参数校验、密码校验、SaToken登录等公共方法
+ */
+@Slf4j
+public abstract class LoginController {
+
+    /**
+     * AES密钥（与前端一致）
+     */
+    protected static final String AES_KEY = "1234567898745621";
+
+    /**
+     * 校验登录参数非空
+     *
+     * @return 校验失败返回错误R，校验通过返回null
+     */
+    protected R<Map<String, Object>> validateLoginParams(String secretName, String secretKey) {
+        if (secretName == null || secretName.isBlank()) {
+            return R.fail("用户名不能为空");
+        }
+        if (secretKey == null || secretKey.isBlank()) {
+            return R.fail("密码不能为空");
+        }
+        return null;
+    }
+
+    /**
+     * AES解密前端传来的密码
+     *
+     * @return 解密后的明文密码，失败返回null
+     */
+    protected String decryptPassword(String secretKey) {
+        try {
+            return decryptByAes(secretKey);
+        } catch (Exception e) {
+            log.error("密码解密失败", e);
+            return null;
+        }
+    }
+
+    /**
+     * MD5加盐校验密码: MD5(loginName + password + salt)
+     */
+    protected boolean verifyPassword(String loginName, String decryptedPassword, String salt, String storedPassword) {
+        String md5Password = DigestUtil.md5Hex(loginName + decryptedPassword + salt);
+        return md5Password.equals(storedPassword);
+    }
+
+    /**
+     * 构建LoginUser并执行SaToken登录
+     *
+     * @return SaToken令牌值
+     */
+    protected String doSaTokenLogin(Long userId, String userName, String nickName, String deptId,
+                                    String userType, String deviceType, String clientId) {
+        LoginUser loginUser = new LoginUser();
+        loginUser.setUserId(userId);
+        loginUser.setUsername(userName);
+        loginUser.setNickname(nickName);
+        loginUser.setUserType(userType);
+        loginUser.setDeptId(deptId);
+
+        SaLoginParameter model = new SaLoginParameter();
+        model.setDeviceType(deviceType);
+        model.setExtra("clientid", clientId);
+        LoginHelper.login(loginUser, model);
+
+        return StpUtil.getTokenValue();
+    }
+
+    /**
+     * AES/CBC/ZeroPadding 解密（与前端CryptoJS对应）
+     * 前端使用 CryptoJS.pad.ZeroPadding，Java中用NoPadding后手动去除尾部0字节
+     */
+    private String decryptByAes(String encryptedBase64) throws Exception {
+        byte[] keyBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
+        byte[] ivBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
+
+        SecretKeySpec secretKeySpec = new SecretKeySpec(keyBytes, "AES");
+        IvParameterSpec ivParameterSpec = new IvParameterSpec(ivBytes);
+
+        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
+        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, ivParameterSpec);
+
+        byte[] encrypted = Base64.getDecoder().decode(encryptedBase64);
+        byte[] decrypted = cipher.doFinal(encrypted);
+
+        // 去除ZeroPadding尾部的0字节
+        int len = decrypted.length;
+        while (len > 0 && decrypted[len - 1] == 0) {
+            len--;
+        }
+        return new String(decrypted, 0, len, StandardCharsets.UTF_8);
+    }
 }
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfLoginController.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfLoginController.java
index 38ba7023..7ac9546a 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfLoginController.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfLoginController.java
@@ -1,14 +1,10 @@
 package com.zdxt.enforcementcode.controller.app.enforcement;
 
 import cn.dev33.satoken.annotation.SaIgnore;
-import cn.dev33.satoken.stp.StpUtil;
-import cn.dev33.satoken.stp.parameter.SaLoginParameter;
-import cn.hutool.crypto.digest.DigestUtil;
+import com.zdxt.enforcementcode.controller.app.LoginController;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.common.core.domain.R;
-import org.dromara.common.core.domain.model.LoginUser;
-import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.system.domain.vo.SysDeptVo;
 import org.dromara.system.domain.vo.SysUserVo;
 import org.dromara.system.service.ISysDeptService;
@@ -18,11 +14,6 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import javax.crypto.Cipher;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -33,16 +24,11 @@ import java.util.Map;
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/app-enf/login")
-public class AppEnfLoginController {
+public class AppEnfLoginController extends LoginController {
 
     private final ISysUserService sysUserService;
     private final ISysDeptService sysDeptService;
 
-    /**
-     * AES密钥（与前端一致）
-     */
-    private static final String AES_KEY = "1234567898745621";
-
     /**
      * 执法端用户登录
      *
@@ -55,40 +41,35 @@ public class AppEnfLoginController {
         String secretName = params.get("secretName");
         String secretKey = params.get("secretKey");
 
-        if (secretName == null || secretName.isBlank()) {
-            return R.fail("用户名不能为空");
-        }
-        if (secretKey == null || secretKey.isBlank()) {
-            return R.fail("密码不能为空");
+        // 1. 参数校验
+        R<Map<String, Object>> paramCheck = validateLoginParams(secretName, secretKey);
+        if (paramCheck != null) {
+            return paramCheck;
         }
 
-        // 1. 根据用户名查询 sys_user 表
+        // 2. 根据用户名查询 sys_user 表
         SysUserVo user = sysUserService.selectUserByUserName(secretName);
         if (user == null) {
             return R.fail("用户不存在");
         }
 
-        // 2. 检查用户状态（0正常 1停用）
+        // 3. 检查用户状态（0正常 1停用）
         if ("1".equals(user.getStatus())) {
             return R.fail("该用户已被停用");
         }
 
-        // 3. AES解密前端传来的密码
-        String decryptedPassword;
-        try {
-            decryptedPassword = decryptByAes(secretKey);
-        } catch (Exception e) {
-            log.error("密码解密失败", e);
+        // 4. AES解密前端传来的密码
+        String decryptedPassword = decryptPassword(secretKey);
+        if (decryptedPassword == null) {
             return R.fail("密码解密失败");
         }
 
-        // 4. MD5加盐校验密码: MD5(username + password + salt)
-        String md5Password = DigestUtil.md5Hex(user.getUserName() + decryptedPassword + user.getSalt());
-        if (!md5Password.equals(user.getPassword())) {
+        // 5. MD5加盐校验密码
+        if (!verifyPassword(user.getUserName(), decryptedPassword, user.getSalt(), user.getPassword())) {
             return R.fail("用户名或密码错误");
         }
 
-        // 5. 查询部门信息
+        // 6. 查询部门信息
         String deptName = "";
         if (user.getDeptId() != null && !user.getDeptId().isBlank()) {
             SysDeptVo dept = sysDeptService.selectDeptById(user.getDeptId());
@@ -97,22 +78,13 @@ public class AppEnfLoginController {
             }
         }
 
-        // 6. 构建LoginUser并生成SaToken
-        LoginUser loginUser = new LoginUser();
-        loginUser.setUserId(user.getUserId());
-        loginUser.setUsername(user.getUserName());
-        loginUser.setNickname(user.getNickName());
-        loginUser.setUserType("enforcement_user");
-        loginUser.setDeptId(user.getDeptId());
+        // 7. 构建LoginUser并生成SaToken
+        String token = doSaTokenLogin(user.getUserId(), user.getUserName(), user.getNickName(),
+                user.getDeptId(), "enforcement_user", "enforcement_app", "enforcement");
 
-        SaLoginParameter model = new SaLoginParameter();
-        model.setDeviceType("enforcement_app");
-        model.setExtra("clientid", "enforcement");
-        LoginHelper.login(loginUser, model);
-
-        // 7. 构造返回数据
+        // 8. 构造返回数据
         Map<String, Object> data = new HashMap<>();
-        data.put("token", StpUtil.getTokenValue());
+        data.put("token", token);
         data.put("userId", user.getUserId());
         data.put("userName", user.getUserName());
         data.put("nickName", user.getNickName());
@@ -122,29 +94,4 @@ public class AppEnfLoginController {
 
         return R.ok(data);
     }
-
-    /**
-     * AES/CBC/ZeroPadding 解密（与前端CryptoJS对应）
-     * 前端使用 CryptoJS.pad.ZeroPadding，Java中用NoPadding后手动去除尾部0字节
-     */
-    private String decryptByAes(String encryptedBase64) throws Exception {
-        byte[] keyBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-        byte[] ivBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-
-        SecretKeySpec secretKeySpec = new SecretKeySpec(keyBytes, "AES");
-        IvParameterSpec ivParameterSpec = new IvParameterSpec(ivBytes);
-
-        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
-        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, ivParameterSpec);
-
-        byte[] encrypted = Base64.getDecoder().decode(encryptedBase64);
-        byte[] decrypted = cipher.doFinal(encrypted);
-
-        // 去除ZeroPadding尾部的0字节
-        int len = decrypted.length;
-        while (len > 0 && decrypted[len - 1] == 0) {
-            len--;
-        }
-        return new String(decrypted, 0, len, StandardCharsets.UTF_8);
-    }
 }
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enterprise/AppEntLoginController.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enterprise/AppEntLoginController.java
index e77c74c2..1b796658 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enterprise/AppEntLoginController.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enterprise/AppEntLoginController.java
@@ -1,24 +1,15 @@
 package com.zdxt.enforcementcode.controller.app.enterprise;
 
 import cn.dev33.satoken.annotation.SaIgnore;
-import cn.dev33.satoken.stp.StpUtil;
-import cn.dev33.satoken.stp.parameter.SaLoginParameter;
-import cn.hutool.crypto.digest.DigestUtil;
+import com.zdxt.enforcementcode.controller.app.LoginController;
 import com.zdxt.enforcementcode.domain.vo.EnterpriseUserVo;
 import com.zdxt.enforcementcode.service.IEnterpriseInformationService;
 import com.zdxt.enforcementcode.service.IEnterpriseUserService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.common.core.domain.R;
-import org.dromara.common.core.domain.model.LoginUser;
-import org.dromara.common.satoken.utils.LoginHelper;
 import org.springframework.web.bind.annotation.*;
 
-import javax.crypto.Cipher;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -29,16 +20,11 @@ import java.util.Map;
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/app-ent/login")
-public class AppEntLoginController {
+public class AppEntLoginController extends LoginController {
 
     private final IEnterpriseUserService enterpriseUserService;
     private final IEnterpriseInformationService enterpriseInformationService;
 
-    /**
-     * AES密钥（与前端一致）
-     */
-    private static final String AES_KEY = "1234567898745621";
-
     /**
      * 企业端用户登录
      *
@@ -51,57 +37,41 @@ public class AppEntLoginController {
         String secretName = params.get("secretName");
         String secretKey = params.get("secretKey");
 
-        if (secretName == null || secretName.isBlank()) {
-            return R.fail("用户名不能为空");
-        }
-        if (secretKey == null || secretKey.isBlank()) {
-            return R.fail("密码不能为空");
+        // 1. 参数校验
+        R<Map<String, Object>> paramCheck = validateLoginParams(secretName, secretKey);
+        if (paramCheck != null) {
+            return paramCheck;
         }
 
-        // 1. 根据登录名查询用户
+        // 2. 根据登录名查询用户
         EnterpriseUserVo user = enterpriseUserService.queryByLoginName(secretName);
         if (user == null) {
             return R.fail("用户不存在");
         }
 
-        // 2. 检查用户状态
+        // 3. 检查用户状态
         if ("1".equals(user.getStatus())) {
             return R.fail("该用户已被停用");
         }
 
-        // 3. AES解密前端传来的密码
-        String decryptedPassword;
-        try {
-            decryptedPassword = decryptByAes(secretKey);
-        } catch (Exception e) {
-            log.error("密码解密失败", e);
+        // 4. AES解密前端传来的密码
+        String decryptedPassword = decryptPassword(secretKey);
+        if (decryptedPassword == null) {
             return R.fail("密码解密失败");
         }
 
-        // 4. MD5加盐校验密码: MD5(username + password + salt)
-        String md5Password = DigestUtil.md5Hex(user.getLoginName() + decryptedPassword + user.getSalt());
-        if (!md5Password.equals(user.getPassword())) {
+        // 5. MD5加盐校验密码
+        if (!verifyPassword(user.getLoginName(), decryptedPassword, user.getSalt(), user.getPassword())) {
             return R.fail("用户名或密码错误");
         }
 
-        // 5. 构建LoginUser并生成SaToken
-        LoginUser loginUser = new LoginUser();
-        loginUser.setUserId(user.getUserId());
-        loginUser.setUsername(user.getUserName());
-        loginUser.setNickname(user.getNickName());
-        loginUser.setUserType("enterprise_user");
-        loginUser.setDeptId(user.getDeptId());
-
-        SaLoginParameter model = new SaLoginParameter();
-        model.setDeviceType("enterprise_app");
-        model.setExtra("clientid", "enterprise");
-        LoginHelper.login(loginUser, model);
-
-
+        // 6. 构建LoginUser并生成SaToken
+        String token = doSaTokenLogin(user.getUserId(), user.getUserName(), user.getNickName(),
+                user.getDeptId(), "enterprise_user", "enterprise_app", "enterprise");
 
         // 7. 构造返回数据
         Map<String, Object> data = new HashMap<>();
-        data.put("token", StpUtil.getTokenValue());
+        data.put("token", token);
         data.put("userId", user.getUserId());
         data.put("userName", user.getUserName());
         data.put("nickName", user.getNickName());
@@ -109,29 +79,4 @@ public class AppEntLoginController {
 
         return R.ok(data);
     }
-
-    /**
-     * AES/CBC/ZeroPadding 解密（与前端CryptoJS对应）
-     * 前端使用 CryptoJS.pad.ZeroPadding，Java中用NoPadding后手动去除尾部0字节
-     */
-    private String decryptByAes(String encryptedBase64) throws Exception {
-        byte[] keyBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-        byte[] ivBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-
-        SecretKeySpec secretKeySpec = new SecretKeySpec(keyBytes, "AES");
-        IvParameterSpec ivParameterSpec = new IvParameterSpec(ivBytes);
-
-        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
-        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, ivParameterSpec);
-
-        byte[] encrypted = Base64.getDecoder().decode(encryptedBase64);
-        byte[] decrypted = cipher.doFinal(encrypted);
-
-        // 去除ZeroPadding尾部的0字节
-        int len = decrypted.length;
-        while (len > 0 && decrypted[len - 1] == 0) {
-            len--;
-        }
-        return new String(decrypted, 0, len, StandardCharsets.UTF_8);
-    }
 }
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/supervision/AppSupLoginController.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/supervision/AppSupLoginController.java
index c0946182..3952a983 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/supervision/AppSupLoginController.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/supervision/AppSupLoginController.java
@@ -1,14 +1,10 @@
 package com.zdxt.enforcementcode.controller.app.supervision;
 
 import cn.dev33.satoken.annotation.SaIgnore;
-import cn.dev33.satoken.stp.StpUtil;
-import cn.dev33.satoken.stp.parameter.SaLoginParameter;
-import cn.hutool.crypto.digest.DigestUtil;
+import com.zdxt.enforcementcode.controller.app.LoginController;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.common.core.domain.R;
-import org.dromara.common.core.domain.model.LoginUser;
-import org.dromara.common.satoken.utils.LoginHelper;
 import org.dromara.system.domain.vo.SysDeptVo;
 import org.dromara.system.domain.vo.SysUserVo;
 import org.dromara.system.service.ISysDeptService;
@@ -18,11 +14,6 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import javax.crypto.Cipher;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -33,16 +24,11 @@ import java.util.Map;
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/app-sup/login")
-public class AppSupLoginController {
+public class AppSupLoginController extends LoginController {
 
     private final ISysUserService sysUserService;
     private final ISysDeptService sysDeptService;
 
-    /**
-     * AES密钥（与前端一致）
-     */
-    private static final String AES_KEY = "1234567898745621";
-
     /**
      * 监督端用户登录
      *
@@ -55,40 +41,35 @@ public class AppSupLoginController {
         String secretName = params.get("secretName");
         String secretKey = params.get("secretKey");
 
-        if (secretName == null || secretName.isBlank()) {
-            return R.fail("用户名不能为空");
-        }
-        if (secretKey == null || secretKey.isBlank()) {
-            return R.fail("密码不能为空");
+        // 1. 参数校验
+        R<Map<String, Object>> paramCheck = validateLoginParams(secretName, secretKey);
+        if (paramCheck != null) {
+            return paramCheck;
         }
 
-        // 1. 根据用户名查询 sys_user 表
+        // 2. 根据用户名查询 sys_user 表
         SysUserVo user = sysUserService.selectUserByUserName(secretName);
         if (user == null) {
             return R.fail("用户不存在");
         }
 
-        // 2. 检查用户状态（0正常 1停用）
+        // 3. 检查用户状态（0正常 1停用）
         if ("1".equals(user.getStatus())) {
             return R.fail("该用户已被停用");
         }
 
-        // 3. AES解密前端传来的密码
-        String decryptedPassword;
-        try {
-            decryptedPassword = decryptByAes(secretKey);
-        } catch (Exception e) {
-            log.error("密码解密失败", e);
+        // 4. AES解密前端传来的密码
+        String decryptedPassword = decryptPassword(secretKey);
+        if (decryptedPassword == null) {
             return R.fail("密码解密失败");
         }
 
-        // 4. MD5加盐校验密码: MD5(username + password + salt)
-        String md5Password = DigestUtil.md5Hex(user.getUserName() + decryptedPassword + user.getSalt());
-        if (!md5Password.equals(user.getPassword())) {
+        // 5. MD5加盐校验密码
+        if (!verifyPassword(user.getUserName(), decryptedPassword, user.getSalt(), user.getPassword())) {
             return R.fail("用户名或密码错误");
         }
 
-        // 5. 查询部门信息
+        // 6. 查询部门信息
         String deptName = "";
         if (user.getDeptId() != null && !user.getDeptId().isBlank()) {
             SysDeptVo dept = sysDeptService.selectDeptById(user.getDeptId());
@@ -97,22 +78,13 @@ public class AppSupLoginController {
             }
         }
 
-        // 6. 构建LoginUser并生成SaToken
-        LoginUser loginUser = new LoginUser();
-        loginUser.setUserId(user.getUserId());
-        loginUser.setUsername(user.getUserName());
-        loginUser.setNickname(user.getNickName());
-        loginUser.setUserType("supervision_user");
-        loginUser.setDeptId(user.getDeptId());
+        // 7. 构建LoginUser并生成SaToken
+        String token = doSaTokenLogin(user.getUserId(), user.getUserName(), user.getNickName(),
+                user.getDeptId(), "supervision_user", "supervision_app", "supervision");
 
-        SaLoginParameter model = new SaLoginParameter();
-        model.setDeviceType("supervision_app");
-        model.setExtra("clientid", "supervision");
-        LoginHelper.login(loginUser, model);
-
-        // 7. 构造返回数据
+        // 8. 构造返回数据
         Map<String, Object> data = new HashMap<>();
-        data.put("token", StpUtil.getTokenValue());
+        data.put("token", token);
         data.put("userId", user.getUserId());
         data.put("userName", user.getUserName());
         data.put("nickName", user.getNickName());
@@ -122,29 +94,4 @@ public class AppSupLoginController {
 
         return R.ok(data);
     }
-
-    /**
-     * AES/CBC/ZeroPadding 解密（与前端CryptoJS对应）
-     * 前端使用 CryptoJS.pad.ZeroPadding，Java中用NoPadding后手动去除尾部0字节
-     */
-    private String decryptByAes(String encryptedBase64) throws Exception {
-        byte[] keyBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-        byte[] ivBytes = AES_KEY.getBytes(StandardCharsets.UTF_8);
-
-        SecretKeySpec secretKeySpec = new SecretKeySpec(keyBytes, "AES");
-        IvParameterSpec ivParameterSpec = new IvParameterSpec(ivBytes);
-
-        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
-        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec, ivParameterSpec);
-
-        byte[] encrypted = Base64.getDecoder().decode(encryptedBase64);
-        byte[] decrypted = cipher.doFinal(encrypted);
-
-        // 去除ZeroPadding尾部的0字节
-        int len = decrypted.length;
-        while (len > 0 && decrypted[len - 1] == 0) {
-            len--;
-        }
-        return new String(decrypted, 0, len, StandardCharsets.UTF_8);
-    }
 }