diff --git a/zt-module-system/zt-module-system-api/src/main/java/com/zt/plat/module/system/enums/ErrorCodeConstants.java b/zt-module-system/zt-module-system-api/src/main/java/com/zt/plat/module/system/enums/ErrorCodeConstants.java
index 4e1aeda5..a7899b69 100644
--- a/zt-module-system/zt-module-system-api/src/main/java/com/zt/plat/module/system/enums/ErrorCodeConstants.java
+++ b/zt-module-system/zt-module-system-api/src/main/java/com/zt/plat/module/system/enums/ErrorCodeConstants.java
@@ -212,4 +212,7 @@ public interface ErrorCodeConstants {
     // ========== 系统序列号记录 1-002-032-000 ==========
     ErrorCode SEQUENCE_RECORD_NOT_EXISTS = new ErrorCode(1_002_032_000, "系统序列号记录不存在");
 
+    // ========== 门户网站 1-002-033-000 ==========
+    ErrorCode PORTAL_NOT_EXISTS = new ErrorCode(1_002_033_000, "门户不存在");
+
 }
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/PortalController.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/PortalController.java
new file mode 100644
index 00000000..c956f82e
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/PortalController.java
@@ -0,0 +1,105 @@
+package com.zt.plat.module.system.controller.admin.portal;
+
+import com.zt.plat.framework.common.pojo.CommonResult;
+import com.zt.plat.framework.common.pojo.PageResult;
+import com.zt.plat.framework.common.util.object.BeanUtils;
+import com.zt.plat.framework.excel.core.util.ExcelUtils;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalPageReqVO;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalRespVO;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalSaveReqVO;
+import com.zt.plat.module.system.dal.dataobject.portal.PortalDO;
+import com.zt.plat.module.system.service.portal.PortalService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.List;
+
+import static com.zt.plat.framework.common.pojo.CommonResult.success;
+import static com.zt.plat.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
+
+/**
+ * 门户网站 Controller
+ *
+ * @author 中铜数字供应链平台
+ */
+@Tag(name = "管理后台 - 门户网站")
+@RestController
+@RequestMapping("/system/portal")
+@Validated
+public class PortalController {
+
+    @Resource
+    private PortalService portalService;
+
+    @PostMapping("/create")
+    @Operation(summary = "创建门户网站")
+    @PreAuthorize("@ss.hasPermission('system:portal:create')")
+    public CommonResult<Long> createPortal(@Valid @RequestBody PortalSaveReqVO createReqVO) {
+        return success(portalService.createPortal(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @Operation(summary = "更新门户网站")
+    @PreAuthorize("@ss.hasPermission('system:portal:update')")
+    public CommonResult<Boolean> updatePortal(@Valid @RequestBody PortalSaveReqVO updateReqVO) {
+        portalService.updatePortal(updateReqVO);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除门户网站")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('system:portal:delete')")
+    public CommonResult<Boolean> deletePortal(@RequestParam("id") Long id) {
+        portalService.deletePortal(id);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @Operation(summary = "获得门户网站")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('system:portal:query')")
+    public CommonResult<PortalRespVO> getPortal(@RequestParam("id") Long id) {
+        PortalDO portal = portalService.getPortal(id);
+        return success(BeanUtils.toBean(portal, PortalRespVO.class));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得门户网站分页")
+    @PreAuthorize("@ss.hasPermission('system:portal:query')")
+    public CommonResult<PageResult<PortalRespVO>> getPortalPage(@Valid PortalPageReqVO pageReqVO) {
+        PageResult<PortalDO> pageResult = portalService.getPortalPage(pageReqVO);
+        return success(BeanUtils.toBean(pageResult, PortalRespVO.class));
+    }
+
+    @GetMapping("/export-excel")
+    @Operation(summary = "导出门户网站 Excel")
+    @PreAuthorize("@ss.hasPermission('system:portal:export')")
+    public void exportPortalExcel(@Valid PortalPageReqVO pageReqVO,
+                                   HttpServletResponse response) throws IOException {
+        List<PortalDO> list = portalService.getPortalPage(pageReqVO).getList();
+        // 导出 Excel
+        List<PortalRespVO> data = BeanUtils.toBean(list, PortalRespVO.class);
+        ExcelUtils.write(response, "门户网站.xls", "数据", PortalRespVO.class, data);
+    }
+    /**
+     * 获取当前用户可访问的门户列表
+     * 此接口无需权限验证，因为已经通过登录验证，
+     * 返回的门户列表已经根据用户权限进行了过滤
+     */
+    @GetMapping("/list")
+    @Operation(summary = "获取我的门户列表")
+    public CommonResult<List<PortalRespVO>> getMyPortalList() {
+        Long userId = getLoginUserId();
+        List<PortalDO> portals = portalService.getPortalListByUserId(userId);
+        return success(BeanUtils.toBean(portals, PortalRespVO.class));
+    }
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalPageReqVO.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalPageReqVO.java
new file mode 100644
index 00000000..099c6693
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalPageReqVO.java
@@ -0,0 +1,38 @@
+package com.zt.plat.module.system.controller.admin.portal.vo;
+
+import com.zt.plat.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.time.LocalDateTime;
+
+import static com.zt.plat.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+/**
+ * 门户网站分页查询 Request VO
+ *
+ * @author 中铜数字供应链平台
+ */
+@Schema(description = "管理后台 - 门户网站分页查询 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class PortalPageReqVO extends PageParam {
+
+    @Schema(description = "门户名称", example = "采购")
+    private String name;
+
+    @Schema(description = "状态", example = "0")
+    private Integer status;
+
+    @Schema(description = "门户分类", example = "业务系统")
+    private String category;
+
+    @Schema(description = "创建时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] createTime;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalRespVO.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalRespVO.java
new file mode 100644
index 00000000..5150c662
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalRespVO.java
@@ -0,0 +1,73 @@
+package com.zt.plat.module.system.controller.admin.portal.vo;
+
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 门户网站 Response VO
+ *
+ * @author 中铜数字供应链平台
+ */
+@Schema(description = "管理后台 - 门户网站 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class PortalRespVO {
+
+    @Schema(description = "门户编号", example = "1024")
+    @ExcelProperty("门户编号")
+    private Long id;
+
+    @Schema(description = "门户名称", example = "采购管理系统")
+    @ExcelProperty("门户名称")
+    private String name;
+
+    @Schema(description = "门户描述", example = "统一采购平台，支持在线询价、比价")
+    @ExcelProperty("门户描述")
+    private String description;
+
+    @Schema(description = "门户地址", example = "http://purchase.zt.com")
+    @ExcelProperty("门户地址")
+    private String url;
+
+    @Schema(description = "门户图标（Element Plus图标）", example = "ep:shopping-cart")
+    private String icon;
+
+    @Schema(description = "图标类型", example = "1")
+    @ExcelProperty("图标类型")
+    private Integer iconType;
+
+    @Schema(description = "图标图片URL（当 iconType=2 时使用）", example = "https://example.com/icon.png")
+    private String iconUrl;
+
+    @Schema(description = "门户分类", example = "业务系统")
+    @ExcelProperty("门户分类")
+    private String category;
+
+    @Schema(description = "显示排序", example = "1")
+    @ExcelProperty("显示排序")
+    private Integer sort;
+
+    @Schema(description = "状态", example = "0")
+    @ExcelProperty(value = "状态", converter = com.zt.plat.framework.excel.core.convert.DictConvert.class)
+    private Integer status;
+
+    @Schema(description = "权限标识", example = "portal:purchase:access")
+    @ExcelProperty("权限标识")
+    private String permission;
+
+    @Schema(description = "打开方式", example = "1")
+    @ExcelProperty("打开方式")
+    private Integer openType;
+
+    @Schema(description = "认证配置（JSON格式）", example = "{\"enabled\":true,\"type\":\"url_params\",\"urlParams\":[{\"key\":\"token\",\"value\":\"${userToken}\"}]}")
+    private String authConfig;
+
+    @Schema(description = "创建时间", example = "2025-11-10 10:00:00")
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalSaveReqVO.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalSaveReqVO.java
new file mode 100644
index 00000000..85adc014
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/admin/portal/vo/PortalSaveReqVO.java
@@ -0,0 +1,81 @@
+package com.zt.plat.module.system.controller.admin.portal.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import jakarta.validation.constraints.*;
+
+/**
+ * 门户网站创建/修改 Request VO
+ *
+ * @author 中铜数字供应链平台
+ */
+@Schema(description = "管理后台 - 门户网站创建/修改 Request VO")
+@Data
+public class PortalSaveReqVO {
+
+    @Schema(description = "门户编号", example = "1024")
+    private Long id;
+
+    @Schema(description = "门户名称", requiredMode = Schema.RequiredMode.REQUIRED, example = "采购管理系统")
+    @NotEmpty(message = "门户名称不能为空")
+    @Size(max = 50, message = "门户名称长度不能超过50个字符")
+    private String name;
+
+    @Schema(description = "门户描述", example = "统一采购平台，支持在线询价、比价")
+    @Size(max = 200, message = "门户描述长度不能超过200个字符")
+    private String description;
+
+    @Schema(description = "门户地址", requiredMode = Schema.RequiredMode.REQUIRED, example = "http://purchase.zt.com")
+    @NotEmpty(message = "门户地址不能为空")
+    @Size(max = 500, message = "门户地址长度不能超过500个字符")
+    @Pattern(regexp = "^(http|https)://.*", message = "门户地址必须以 http:// 或 https:// 开头")
+    private String url;
+
+    @Schema(description = "门户图标（Element Plus图标）", example = "ep:shopping-cart")
+    @Size(max = 100, message = "门户图标长度不能超过100个字符")
+    private String icon;
+
+    @Schema(description = "图标类型", example = "1")
+    @Min(value = 1, message = "图标类型值不正确")
+    @Max(value = 2, message = "图标类型值不正确")
+    private Integer iconType;
+
+    @Schema(description = "图标图片URL（当 iconType=2 时使用）", example = "https://example.com/icon.png")
+    @Size(max = 500, message = "图标图片URL长度不能超过500个字符")
+    private String iconUrl;
+
+    @Schema(description = "门户分类", example = "业务系统")
+    @Size(max = 50, message = "门户分类长度不能超过50个字符")
+    private String category;
+
+    @Schema(description = "显示排序", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    @NotNull(message = "显示排序不能为空")
+    @Min(value = 0, message = "显示排序不能小于0")
+    private Integer sort;
+
+    @Schema(description = "状态", requiredMode = Schema.RequiredMode.REQUIRED, example = "0")
+    @NotNull(message = "状态不能为空")
+    @Min(value = 0, message = "状态值不正确")
+    @Max(value = 1, message = "状态值不正确")
+    private Integer status;
+
+    @Schema(description = "权限标识", requiredMode = Schema.RequiredMode.REQUIRED, example = "portal:purchase:access")
+    @NotEmpty(message = "权限标识不能为空")
+    @Size(max = 100, message = "权限标识长度不能超过100个字符")
+    @Pattern(regexp = "^portal:[a-z]+:access$", message = "权限标识格式不正确，应为 portal:{module}:access")
+    private String permission;
+
+    @Schema(description = "打开方式", requiredMode = Schema.RequiredMode.REQUIRED, example = "1")
+    @NotNull(message = "打开方式不能为空")
+    @Min(value = 1, message = "打开方式值不正确")
+    @Max(value = 3, message = "打开方式值不正确")
+    private Integer openType;
+
+    @Schema(description = "父菜单ID（权限自动同步到该菜单下）", example = "2500")
+    private Long parentMenuId;
+
+    @Schema(description = "认证配置（JSON格式）", example = "{\"enabled\":true,\"type\":\"url_params\",\"urlParams\":[{\"key\":\"token\",\"value\":\"${userToken}\"}]}")
+    private String authConfig;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/app/portal/AppPortalController.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/app/portal/AppPortalController.java
new file mode 100644
index 00000000..a1386fe7
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/controller/app/portal/AppPortalController.java
@@ -0,0 +1,48 @@
+package com.zt.plat.module.system.controller.app.portal;
+
+import com.zt.plat.framework.common.pojo.CommonResult;
+import com.zt.plat.framework.common.util.object.BeanUtils;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalRespVO;
+import com.zt.plat.module.system.dal.dataobject.portal.PortalDO;
+import com.zt.plat.module.system.service.portal.PortalService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+import static com.zt.plat.framework.common.pojo.CommonResult.success;
+import static com.zt.plat.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
+
+/**
+ * 用户端 - 门户网站 Controller
+ *
+ * @author 中铜数字供应链平台
+ */
+@Tag(name = "用户端 - 门户网站")
+@RestController
+@RequestMapping("/system/portal")
+@Validated
+public class AppPortalController {
+
+    @Resource
+    private PortalService portalService;
+
+    /**
+     * 获取当前用户可访问的门户列表
+     * 此接口无需权限验证，因为已经通过登录验证，
+     * 返回的门户列表已经根据用户权限进行了过滤
+     */
+    @GetMapping("/list")
+    @Operation(summary = "获取我的门户列表")
+    public CommonResult<List<PortalRespVO>> getMyPortalList() {
+        Long userId = getLoginUserId();
+        List<PortalDO> portals = portalService.getPortalListByUserId(userId);
+        return success(BeanUtils.toBean(portals, PortalRespVO.class));
+    }
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/dataobject/portal/PortalDO.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/dataobject/portal/PortalDO.java
new file mode 100644
index 00000000..4cb722c6
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/dataobject/portal/PortalDO.java
@@ -0,0 +1,106 @@
+package com.zt.plat.module.system.dal.dataobject.portal;
+
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.zt.plat.framework.tenant.core.db.TenantBaseDO;
+import lombok.*;
+
+/**
+ * 门户网站 DO
+ *
+ * @author 中铜数字供应链平台
+ */
+@TableName("system_portal")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class PortalDO extends TenantBaseDO {
+
+    /**
+     * 门户编号
+     */
+    @TableId
+    private Long id;
+
+    /**
+     * 门户名称
+     */
+    private String name;
+
+    /**
+     * 门户描述
+     */
+    private String description;
+
+    /**
+     * 门户地址
+     */
+    private String url;
+
+    /**
+     * 门户图标（Element Plus图标，如：ep:shopping-cart）
+     */
+    private String icon;
+
+    /**
+     * 图标类型
+     *
+     * 1 - 图标库（使用 icon 字段）
+     * 2 - 自定义图片（使用 iconUrl 字段）
+     */
+    private Integer iconType;
+
+    /**
+     * 图标图片URL（当 iconType=2 时使用）
+     */
+    private String iconUrl;
+
+    /**
+     * 门户分类
+     *
+     * 枚举 {@link PortalCategoryEnum}
+     */
+    private String category;
+
+    /**
+     * 显示排序
+     */
+    private Integer sort;
+
+    /**
+     * 状态
+     *
+     * 枚举 {@link com.zt.plat.framework.common.enums.CommonStatusEnum}
+     */
+    private Integer status;
+
+    /**
+     * 权限标识
+     *
+     * 格式：portal:{module}:access
+     * 例如：portal:purchase:access
+     */
+    private String permission;
+
+    /**
+     * 打开方式
+     *
+     * 枚举 {@link PortalOpenTypeEnum}
+     * 1 - 新窗口打开
+     * 2 - 当前窗口打开
+     * 3 - iframe 内嵌
+     */
+    private Integer openType;
+
+    /**
+     * 认证配置（JSON格式）
+     *
+     * 用于配置跳转时的认证信息（URL参数或请求头）
+     * 示例：{"enabled":true,"type":"url_params","urlParams":[{"key":"token","value":"${userToken}"}]}
+     */
+    private String authConfig;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/mysql/portal/PortalMapper.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/mysql/portal/PortalMapper.java
new file mode 100644
index 00000000..5e9f73ac
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/dal/mysql/portal/PortalMapper.java
@@ -0,0 +1,44 @@
+package com.zt.plat.module.system.dal.mysql.portal;
+
+import com.zt.plat.framework.common.pojo.PageResult;
+import com.zt.plat.framework.mybatis.core.mapper.BaseMapperX;
+import com.zt.plat.framework.mybatis.core.query.LambdaQueryWrapperX;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalPageReqVO;
+import com.zt.plat.module.system.dal.dataobject.portal.PortalDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 门户网站 Mapper
+ *
+ * @author 中铜数字供应链平台
+ */
+@Mapper
+public interface PortalMapper extends BaseMapperX<PortalDO> {
+
+    default PageResult<PortalDO> selectPage(PortalPageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<PortalDO>()
+                .likeIfPresent(PortalDO::getName, reqVO.getName())
+                .eqIfPresent(PortalDO::getStatus, reqVO.getStatus())
+                .eqIfPresent(PortalDO::getCategory, reqVO.getCategory())
+                .betweenIfPresent(PortalDO::getCreateTime, reqVO.getCreateTime())
+                .orderByAsc(PortalDO::getSort)
+                .orderByDesc(PortalDO::getId));
+    }
+
+    /**
+     * 根据权限标识列表查询门户列表
+     *
+     * @param permissions 权限标识列表
+     * @return 门户列表
+     */
+    default List<PortalDO> selectListByPermissions(List<String> permissions) {
+        return selectList(new LambdaQueryWrapperX<PortalDO>()
+                .in(PortalDO::getPermission, permissions)
+                .eq(PortalDO::getStatus, 0) // 只查询启用的门户
+                .orderByAsc(PortalDO::getSort)
+                .orderByDesc(PortalDO::getId));
+    }
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalCategoryEnum.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalCategoryEnum.java
new file mode 100644
index 00000000..2a8e990b
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalCategoryEnum.java
@@ -0,0 +1,29 @@
+package com.zt.plat.module.system.enums.portal;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 门户分类枚举
+ *
+ * @author 中铜数字供应链平台
+ */
+@Getter
+@AllArgsConstructor
+public enum PortalCategoryEnum {
+
+    BUSINESS("业务系统", "核心业务系统，如采购、销售、财务等"),
+    MANAGEMENT("管理工具", "管理辅助工具，如OA、数据分析等"),
+    THIRD_PARTY("第三方系统", "外部集成系统，如ERP、E办等");
+
+    /**
+     * 分类名称
+     */
+    private final String name;
+
+    /**
+     * 分类描述
+     */
+    private final String description;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalOpenTypeEnum.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalOpenTypeEnum.java
new file mode 100644
index 00000000..5e109797
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/enums/portal/PortalOpenTypeEnum.java
@@ -0,0 +1,34 @@
+package com.zt.plat.module.system.enums.portal;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+/**
+ * 门户打开方式枚举
+ *
+ * @author 中铜数字供应链平台
+ */
+@Getter
+@AllArgsConstructor
+public enum PortalOpenTypeEnum {
+
+    NEW_WINDOW(1, "新窗口", "在新窗口中打开门户"),
+    CURRENT_WINDOW(2, "当前窗口", "在当前窗口中打开门户"),
+    IFRAME(3, "iframe内嵌", "在iframe中内嵌显示门户");
+
+    /**
+     * 类型
+     */
+    private final Integer type;
+
+    /**
+     * 名称
+     */
+    private final String name;
+
+    /**
+     * 描述
+     */
+    private final String description;
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalService.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalService.java
new file mode 100644
index 00000000..192b1851
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalService.java
@@ -0,0 +1,63 @@
+package com.zt.plat.module.system.service.portal;
+
+import com.zt.plat.framework.common.pojo.PageResult;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalPageReqVO;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalSaveReqVO;
+import com.zt.plat.module.system.dal.dataobject.portal.PortalDO;
+
+import java.util.List;
+
+/**
+ * 门户网站 Service 接口
+ *
+ * @author 中铜数字供应链平台
+ */
+public interface PortalService {
+
+    /**
+     * 创建门户
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createPortal(PortalSaveReqVO createReqVO);
+
+    /**
+     * 更新门户
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updatePortal(PortalSaveReqVO updateReqVO);
+
+    /**
+     * 删除门户
+     *
+     * @param id 编号
+     */
+    void deletePortal(Long id);
+
+    /**
+     * 获得门户
+     *
+     * @param id 编号
+     * @return 门户
+     */
+    PortalDO getPortal(Long id);
+
+    /**
+     * 获得门户分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 门户分页
+     */
+    PageResult<PortalDO> getPortalPage(PortalPageReqVO pageReqVO);
+
+    /**
+     * 获得用户有权限访问的门户列表
+     *
+     * @param userId 用户ID
+     * @return 门户列表
+     */
+    List<PortalDO> getPortalListByUserId(Long userId);
+
+}
diff --git a/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalServiceImpl.java b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalServiceImpl.java
new file mode 100644
index 00000000..6749e9db
--- /dev/null
+++ b/zt-module-system/zt-module-system-server/src/main/java/com/zt/plat/module/system/service/portal/PortalServiceImpl.java
@@ -0,0 +1,193 @@
+package com.zt.plat.module.system.service.portal;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.zt.plat.framework.common.pojo.PageResult;
+import com.zt.plat.framework.common.util.object.BeanUtils;
+import com.zt.plat.module.system.controller.admin.permission.vo.menu.MenuSaveVO;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalPageReqVO;
+import com.zt.plat.module.system.controller.admin.portal.vo.PortalSaveReqVO;
+import com.zt.plat.module.system.dal.dataobject.permission.MenuDO;
+import com.zt.plat.module.system.dal.dataobject.portal.PortalDO;
+import com.zt.plat.module.system.dal.mysql.portal.PortalMapper;
+import com.zt.plat.module.system.enums.permission.MenuTypeEnum;
+import com.zt.plat.module.system.service.permission.MenuService;
+import com.zt.plat.module.system.service.permission.PermissionService;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import static com.zt.plat.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static com.zt.plat.module.system.enums.ErrorCodeConstants.PORTAL_NOT_EXISTS;
+
+/**
+ * 门户网站 Service 实现类
+ *
+ * @author 中铜数字供应链平台
+ */
+@Service
+public class PortalServiceImpl implements PortalService {
+
+    @Resource
+    private PortalMapper portalMapper;
+
+    @Resource
+    private PermissionService permissionService;
+
+    @Resource
+    private MenuService menuService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Long createPortal(PortalSaveReqVO createReqVO) {
+        // 1. 创建门户
+        PortalDO portal = BeanUtils.toBean(createReqVO, PortalDO.class);
+        portalMapper.insert(portal);
+
+        // 2. 自动创建对应的菜单权限
+        if (createReqVO.getParentMenuId() != null) {
+            syncMenuPermission(portal, createReqVO.getParentMenuId(), null);
+        }
+
+        return portal.getId();
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updatePortal(PortalSaveReqVO updateReqVO) {
+        // 1. 校验是否存在
+        PortalDO oldPortal = validatePortalExists(updateReqVO.getId());
+
+        // 2. 更新门户
+        PortalDO updateObj = BeanUtils.toBean(updateReqVO, PortalDO.class);
+        portalMapper.updateById(updateObj);
+
+        // 3. 自动更新对应的菜单权限
+        if (updateReqVO.getParentMenuId() != null) {
+            syncMenuPermission(updateObj, updateReqVO.getParentMenuId(), oldPortal.getPermission());
+        }
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deletePortal(Long id) {
+        // 1. 校验是否存在
+        PortalDO portal = validatePortalExists(id);
+
+        // 2. 删除门户
+        portalMapper.deleteById(id);
+
+        // 3. 自动删除对应的菜单权限
+        deleteMenuPermission(portal.getPermission());
+    }
+
+    @Override
+    public PortalDO getPortal(Long id) {
+        return portalMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<PortalDO> getPortalPage(PortalPageReqVO pageReqVO) {
+        return portalMapper.selectPage(pageReqVO);
+    }
+
+    @Override
+    public List<PortalDO> getPortalListByUserId(Long userId) {
+        // 1. 获取用户的角色ID列表
+        Set<Long> roleIds = permissionService.getUserRoleIdListByUserIdFromCache(userId);
+        if (roleIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 2. 获取角色对应的菜单ID列表
+        Set<Long> menuIds = permissionService.getRoleMenuListByRoleId(roleIds);
+        if (menuIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 3. 获取菜单列表并提取权限标识
+        List<MenuDO> menus = menuService.getMenuList(menuIds);
+        List<String> permissions = menus.stream()
+                .map(MenuDO::getPermission)
+                .filter(permission -> permission != null && !permission.isEmpty())
+                .collect(Collectors.toList());
+
+        if (permissions.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 4. 根据权限标识查询门户列表
+        return portalMapper.selectListByPermissions(permissions);
+    }
+
+    @VisibleForTesting
+    public PortalDO validatePortalExists(Long id) {
+        if (id == null) {
+            return null;
+        }
+        PortalDO portal = portalMapper.selectById(id);
+        if (portal == null) {
+            throw exception(PORTAL_NOT_EXISTS);
+        }
+        return portal;
+    }
+
+    /**
+     * 同步菜单权限
+     * - 如果菜单权限不存在，则创建
+     * - 如果菜单权限已存在，则更新
+     *
+     * @param portal       门户对象
+     * @param parentMenuId 父菜单 ID
+     * @param oldPermission 旧的权限标识（用于更新场景）
+     */
+    private void syncMenuPermission(PortalDO portal, Long parentMenuId, String oldPermission) {
+        // 1. 如果权限标识发生变化，先删除旧的菜单权限
+        if (oldPermission != null && !oldPermission.equals(portal.getPermission())) {
+            deleteMenuPermission(oldPermission);
+        }
+
+        // 2. 查询是否已存在该权限的菜单
+        List<Long> existMenuIds = menuService.getMenuIdListByPermissionFromCache(portal.getPermission());
+
+        // 3. 构建菜单对象
+        MenuSaveVO menuVO = new MenuSaveVO();
+        menuVO.setName("访问" + portal.getName());
+        menuVO.setPermission(portal.getPermission());
+        menuVO.setType(MenuTypeEnum.BUTTON.getType());
+        menuVO.setSort(portal.getSort());
+        menuVO.setParentId(parentMenuId);
+        menuVO.setStatus(portal.getStatus());
+        menuVO.setVisible(false); // 按钮权限不显示在菜单中
+
+        // 4. 如果菜单已存在则更新，否则创建
+        if (!CollectionUtils.isEmpty(existMenuIds)) {
+            menuVO.setId(existMenuIds.get(0));
+            menuService.updateMenu(menuVO);
+        } else {
+            menuService.createMenu(menuVO);
+        }
+    }
+
+    /**
+     * 删除菜单权限
+     *
+     * @param permission 权限标识
+     */
+    private void deleteMenuPermission(String permission) {
+        if (permission == null || permission.isEmpty()) {
+            return;
+        }
+
+        List<Long> menuIds = menuService.getMenuIdListByPermissionFromCache(permission);
+        if (!CollectionUtils.isEmpty(menuIds)) {
+            menuIds.forEach(menuService::deleteMenu);
+        }
+    }
+
+}