diff --git a/book-system/src/main/java/com/ruoyi/booksystem/controller/AccountController.java b/book-system/src/main/java/com/ruoyi/booksystem/controller/AccountController.java
index 7b25c9a..f889368 100644
--- a/book-system/src/main/java/com/ruoyi/booksystem/controller/AccountController.java
+++ b/book-system/src/main/java/com/ruoyi/booksystem/controller/AccountController.java
@@ -20,6 +20,10 @@ import com.ruoyi.booksystem.domain.Account;
 import com.ruoyi.booksystem.service.IAccountService;
 import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.common.core.page.TableDataInfo;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiImplicitParams;
+import io.swagger.annotations.ApiOperation;
 
 /**
  * 交易账户Controller
@@ -27,6 +31,7 @@ import com.ruoyi.common.core.page.TableDataInfo;
  * @author ruoyi
  * @date 2023-12-18
  */
+@Api(tags = "交易账户管理")
 @RestController
 @RequestMapping("/booksystem/account")
 public class AccountController extends BaseController
@@ -37,6 +42,7 @@ public class AccountController extends BaseController
     /**
      * 查询交易账户列表
      */
+    @ApiOperation("查询交易账户列表")
     @PreAuthorize("@ss.hasPermi('booksystem:account:list')")
     @GetMapping("/list")
     public TableDataInfo list(Account account)
@@ -49,6 +55,7 @@ public class AccountController extends BaseController
     /**
      * 导出交易账户列表
      */
+    @ApiOperation("导出交易账户数据")
     @PreAuthorize("@ss.hasPermi('booksystem:account:export')")
     @Log(title = "交易账户", businessType = BusinessType.EXPORT)
     @PostMapping("/export")
@@ -62,6 +69,8 @@ public class AccountController extends BaseController
     /**
      * 获取交易账户详细信息
      */
+    @ApiOperation("获取交易账户详细信息")
+    @ApiImplicitParam(name = "id", value = "账户ID", required = true, dataType = "Long", paramType = "path", dataTypeClass = Long.class)
     @PreAuthorize("@ss.hasPermi('booksystem:account:query')")
     @GetMapping(value = "/{id}")
     public AjaxResult getInfo(@PathVariable("id") Long id)
@@ -72,6 +81,7 @@ public class AccountController extends BaseController
     /**
      * 新增交易账户
      */
+    @ApiOperation("新增交易账户")
     @PreAuthorize("@ss.hasPermi('booksystem:account:add')")
     @Log(title = "交易账户", businessType = BusinessType.INSERT)
     @PostMapping
@@ -83,6 +93,7 @@ public class AccountController extends BaseController
     /**
      * 修改交易账户
      */
+    @ApiOperation("修改交易账户")
     @PreAuthorize("@ss.hasPermi('booksystem:account:edit')")
     @Log(title = "交易账户", businessType = BusinessType.UPDATE)
     @PutMapping
@@ -94,6 +105,8 @@ public class AccountController extends BaseController
     /**
      * 删除交易账户
      */
+    @ApiOperation("删除交易账户")
+    @ApiImplicitParam(name = "ids", value = "账户ID列表", required = true, dataType = "Long[]", paramType = "path")
     @PreAuthorize("@ss.hasPermi('booksystem:account:remove')")
     @Log(title = "交易账户", businessType = BusinessType.DELETE)
 	@DeleteMapping("/{ids}")
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysUserController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysUserController.java
index 688e57a..9833bc9 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysUserController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysUserController.java
@@ -30,12 +30,17 @@ import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.system.service.ISysPostService;
 import com.ruoyi.system.service.ISysRoleService;
 import com.ruoyi.system.service.ISysUserService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiImplicitParams;
+import io.swagger.annotations.ApiOperation;
 
 /**
  * 用户信息
  * 
  * @author ruoyi
  */
+@Api(tags = "用户管理")
 @RestController
 @RequestMapping("/system/user")
 public class SysUserController extends BaseController
@@ -52,6 +57,7 @@ public class SysUserController extends BaseController
     /**
      * 获取用户列表
      */
+    @ApiOperation("查询用户列表")
     @PreAuthorize("@ss.hasPermi('system:user:list')")
     @GetMapping("/list")
     public TableDataInfo list(SysUser user)
@@ -61,6 +67,7 @@ public class SysUserController extends BaseController
         return getDataTable(list);
     }
 
+    @ApiOperation("导出用户数据")
     @Log(title = "用户管理", businessType = BusinessType.EXPORT)
     @PreAuthorize("@ss.hasPermi('system:user:export')")
     @PostMapping("/export")
@@ -71,6 +78,7 @@ public class SysUserController extends BaseController
         util.exportExcel(response, list, "用户数据");
     }
 
+    @ApiOperation("导入用户数据")
     @Log(title = "用户管理", businessType = BusinessType.IMPORT)
     @PreAuthorize("@ss.hasPermi('system:user:import')")
     @PostMapping("/importData")
@@ -83,6 +91,7 @@ public class SysUserController extends BaseController
         return AjaxResult.success(message);
     }
 
+    @ApiOperation("下载用户导入模板")
     @PostMapping("/importTemplate")
     public void importTemplate(HttpServletResponse response)
     {
@@ -93,6 +102,8 @@ public class SysUserController extends BaseController
     /**
      * 根据用户编号获取详细信息
      */
+    @ApiOperation("获取用户详细信息")
+    @ApiImplicitParam(name = "userId", value = "用户ID", dataType = "Long", paramType = "path", dataTypeClass = Long.class)
     @PreAuthorize("@ss.hasPermi('system:user:query')")
     @GetMapping(value = { "/", "/{userId}" })
     public AjaxResult getInfo(@PathVariable(value = "userId", required = false) Long userId)
@@ -114,6 +125,7 @@ public class SysUserController extends BaseController
     /**
      * 新增用户
      */
+    @ApiOperation("新增用户")
     @PreAuthorize("@ss.hasPermi('system:user:add')")
     @Log(title = "用户管理", businessType = BusinessType.INSERT)
     @PostMapping
@@ -141,6 +153,7 @@ public class SysUserController extends BaseController
     /**
      * 修改用户
      */
+    @ApiOperation("修改用户")
     @PreAuthorize("@ss.hasPermi('system:user:edit')")
     @Log(title = "用户管理", businessType = BusinessType.UPDATE)
     @PutMapping
@@ -164,6 +177,7 @@ public class SysUserController extends BaseController
     /**
      * 删除用户
      */
+    @ApiOperation("删除用户")
     @PreAuthorize("@ss.hasPermi('system:user:remove')")
     @Log(title = "用户管理", businessType = BusinessType.DELETE)
     @DeleteMapping("/{userIds}")
@@ -179,6 +193,7 @@ public class SysUserController extends BaseController
     /**
      * 重置密码
      */
+    @ApiOperation("重置用户密码")
     @PreAuthorize("@ss.hasPermi('system:user:resetPwd')")
     @Log(title = "用户管理", businessType = BusinessType.UPDATE)
     @PutMapping("/resetPwd")
@@ -193,6 +208,7 @@ public class SysUserController extends BaseController
     /**
      * 状态修改
      */
+    @ApiOperation("修改用户状态")
     @PreAuthorize("@ss.hasPermi('system:user:edit')")
     @Log(title = "用户管理", businessType = BusinessType.UPDATE)
     @PutMapping("/changeStatus")
@@ -206,6 +222,8 @@ public class SysUserController extends BaseController
     /**
      * 根据用户编号获取授权角色
      */
+    @ApiOperation("获取用户授权角色")
+    @ApiImplicitParam(name = "userId", value = "用户ID", dataType = "Long", paramType = "path", dataTypeClass = Long.class)
     @PreAuthorize("@ss.hasPermi('system:user:query')")
     @GetMapping("/authRole/{userId}")
     public AjaxResult authRole(@PathVariable("userId") Long userId)
@@ -221,6 +239,11 @@ public class SysUserController extends BaseController
     /**
      * 用户授权角色
      */
+    @ApiOperation("用户授权角色")
+    @ApiImplicitParams({
+        @ApiImplicitParam(name = "userId", value = "用户ID", dataType = "Long", paramType = "query", dataTypeClass = Long.class),
+        @ApiImplicitParam(name = "roleIds", value = "角色ID列表", dataType = "Long[]", paramType = "query")
+    })
     @PreAuthorize("@ss.hasPermi('system:user:edit')")
     @Log(title = "用户管理", businessType = BusinessType.GRANT)
     @PutMapping("/authRole")
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/core/config/SwaggerConfig.java b/ruoyi-admin/src/main/java/com/ruoyi/web/core/config/SwaggerConfig.java
index ed88dc5..9c22fb4 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/core/config/SwaggerConfig.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/core/config/SwaggerConfig.java
@@ -43,7 +43,68 @@ public class SwaggerConfig
     private String pathMapping;
 
     /**
-     * 创建API
+     * 创建系统管理模块API
+     */
+    @Bean
+    public Docket createSystemApi()
+    {
+        return createDocket("系统管理", "com.ruoyi.web.controller.system", pathMapping);
+    }
+
+    /**
+     * 创建监控模块API
+     */
+    @Bean
+    public Docket createMonitorApi()
+    {
+        return createDocket("系统监控", "com.ruoyi.web.controller.monitor", pathMapping);
+    }
+
+    /**
+     * 创建图书系统模块API
+     */
+    @Bean
+    public Docket createBookSystemApi()
+    {
+        return createDocket("图书系统", "com.ruoyi.booksystem.controller", pathMapping);
+    }
+
+    /**
+     * 创建股票系统模块API
+     */
+    @Bean
+    public Docket createStockSystemApi()
+    {
+        return createDocket("股票系统", "com.ruoyi.stocksystem.controller", pathMapping);
+    }
+
+    /**
+     * 创建通用API配置方法
+     */
+    private Docket createDocket(String groupName, String basePackage, String pathMapping)
+    {
+        return new Docket(DocumentationType.OAS_30)
+                .groupName(groupName)
+                // 是否启用Swagger
+                .enable(enabled)
+                // 用来创建该API的基本信息，展示在文档的页面中（自定义展示的信息）
+                .apiInfo(apiInfo())
+                // 设置哪些接口暴露给Swagger展示
+                .select()
+                // 扫描所有有注解的api，用这种方式更灵活
+                .apis(RequestHandlerSelectors.withMethodAnnotation(ApiOperation.class))
+                // 扫描指定包
+                .apis(RequestHandlerSelectors.basePackage(basePackage))
+                .paths(PathSelectors.any())
+                .build()
+                /* 设置安全模式，swagger可以设置访问token */
+                .securitySchemes(securitySchemes())
+                .securityContexts(securityContexts())
+                .pathMapping(pathMapping);
+    }
+
+    /**
+     * 创建API（兼容旧版本）
      */
     @Bean
     public Docket createRestApi()
@@ -115,7 +176,7 @@ public class SwaggerConfig
                 // 设置标题
                 .title("标题：摸金分析系统_接口文档")
                 // 描述
-                .description("描述：用于管理集团旗下公司的人员信息,具体包括XXX,XXX模块...")
+                .description("描述：若依管理系统后端 API 接口文档，包含系统管理、系统监控、图书系统、股票系统等模块。")
                 // 作者信息
                 .contact(new Contact(ruoyiConfig.getName(), null, null))
                 // 版本
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/constant/HttpStatus.java b/ruoyi-common/src/main/java/com/ruoyi/common/constant/HttpStatus.java
index d60afee..9615c5b 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/constant/HttpStatus.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/constant/HttpStatus.java
@@ -86,4 +86,63 @@ public class HttpStatus
      * 接口未实现
      */
     public static final int NOT_IMPLEMENTED = 501;
+
+    /**
+     * 警告消息
+     */
+    public static final int WARN = 601;
+
+    // ==================== 业务错误码 (1000-9999) ====================
+
+    /**
+     * 用户相关错误 (1000-1999)
+     */
+    public static final int USER_NOT_FOUND = 1001;
+    public static final int USER_PASSWORD_ERROR = 1002;
+    public static final int USER_ACCOUNT_DISABLED = 1003;
+    public static final int USER_ACCOUNT_LOCKED = 1004;
+    public static final int USER_ALREADY_EXISTS = 1005;
+    public static final int USER_CAPTCHA_ERROR = 1006;
+    public static final int USER_CAPTCHA_EXPIRED = 1007;
+
+    /**
+     * 权限相关错误 (2000-2999)
+     */
+    public static final int PERMISSION_DENIED = 2001;
+    public static final int ROLE_NOT_FOUND = 2002;
+    public static final int MENU_NOT_FOUND = 2003;
+    public static final int DEPT_NOT_FOUND = 2004;
+    public static final int POST_NOT_FOUND = 2005;
+
+    /**
+     * 数据相关错误 (3000-3999)
+     */
+    public static final int DATA_NOT_FOUND = 3001;
+    public static final int DATA_ALREADY_EXISTS = 3002;
+    public static final int DATA_FORMAT_ERROR = 3003;
+    public static final int DATA_VALIDATION_FAILED = 3004;
+
+    /**
+     * 系统相关错误 (4000-4999)
+     */
+    public static final int CONFIG_NOT_FOUND = 4001;
+    public static final int DICT_NOT_FOUND = 4002;
+    public static final int NOTICE_NOT_FOUND = 4003;
+
+    /**
+     * 文件相关错误 (5000-5999)
+     */
+    public static final int FILE_UPLOAD_FAILED = 5001;
+    public static final int FILE_TYPE_NOT_ALLOWED = 5002;
+    public static final int FILE_SIZE_EXCEEDED = 5003;
+    public static final int FILE_NOT_FOUND = 5004;
+
+    /**
+     * 业务模块错误 (6000-6999)
+     */
+    public static final int ACCOUNT_NOT_FOUND = 6001;
+    public static final int ACCOUNT_ALREADY_EXISTS = 6002;
+    public static final int ACCOUNT_BALANCE_INSUFFICIENT = 6003;
+    public static final int STOCK_NOT_FOUND = 6004;
+    public static final int OPERATION_FAILED = 6005;
 }
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/controller/BaseController.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/controller/BaseController.java
index bee2e47..ddecc0a 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/controller/BaseController.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/controller/BaseController.java
@@ -106,6 +106,14 @@ public class BaseController
         return AjaxResult.success(message);
     }
 
+    /**
+     * 返回成功数据
+     */
+    public AjaxResult success(Object data)
+    {
+        return AjaxResult.success(data);
+    }
+
     /**
      * 返回失败消息
      */
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/page/TableDataInfo.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/page/TableDataInfo.java
index 847685b..534a587 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/page/TableDataInfo.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/page/TableDataInfo.java
@@ -43,6 +43,34 @@ public class TableDataInfo implements Serializable
         this.total = total;
     }
 
+    /**
+     * 分页（long 类型总记录数）
+     * 
+     * @param list 列表数据
+     * @param total 总记录数
+     */
+    public TableDataInfo(List<?> list, long total)
+    {
+        this.rows = list;
+        this.total = total;
+    }
+
+    /**
+     * 分页（带状态码和消息）
+     * 
+     * @param list 列表数据
+     * @param total 总记录数
+     * @param code 状态码
+     * @param msg 消息内容
+     */
+    public TableDataInfo(List<?> list, long total, int code, String msg)
+    {
+        this.rows = list;
+        this.total = total;
+        this.code = code;
+        this.msg = msg;
+    }
+
     public long getTotal()
     {
         return total;
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/exception/GlobalExceptionHandler.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/exception/GlobalExceptionHandler.java
index 51dd8c5..75e83dd 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/exception/GlobalExceptionHandler.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/exception/GlobalExceptionHandler.java
@@ -5,10 +5,13 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.validation.BindException;
+import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.MissingServletRequestParameterException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.resource.NoResourceFoundException;
 import com.ruoyi.common.constant.HttpStatus;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.exception.DemoModeException;
@@ -111,4 +114,45 @@ public class GlobalExceptionHandler
     {
         return AjaxResult.error("演示模式，不允许操作");
     }
+
+    /**
+     * 请求参数缺失异常
+     */
+    @ExceptionHandler(MissingServletRequestParameterException.class)
+    public AjaxResult handleMissingServletRequestParameterException(MissingServletRequestParameterException e)
+    {
+        log.error("请求参数缺失: {}", e.getParameterName());
+        return AjaxResult.error("请求参数缺失: " + e.getParameterName());
+    }
+
+    /**
+     * 请求参数类型不匹配异常
+     */
+    @ExceptionHandler(HttpMessageNotReadableException.class)
+    public AjaxResult handleHttpMessageNotReadableException(HttpMessageNotReadableException e)
+    {
+        log.error("请求参数解析失败: {}", e.getMessage());
+        return AjaxResult.error("请求参数格式错误");
+    }
+
+    /**
+     * 资源未找到异常
+     */
+    @ExceptionHandler(NoResourceFoundException.class)
+    public AjaxResult handleNoResourceFoundException(NoResourceFoundException e, HttpServletRequest request)
+    {
+        String requestURI = request.getRequestURI();
+        log.error("请求地址'{}',资源未找到", requestURI);
+        return AjaxResult.error(HttpStatus.NOT_FOUND, "请求资源不存在");
+    }
+
+    /**
+     * 非法参数异常
+     */
+    @ExceptionHandler(IllegalArgumentException.class)
+    public AjaxResult handleIllegalArgumentException(IllegalArgumentException e)
+    {
+        log.error("非法参数: {}", e.getMessage());
+        return AjaxResult.error(e.getMessage());
+    }
 }