diff --git a/internal/logic/admin/dashboard.go b/internal/logic/admin/dashboard.go
index 32e3166..aa9ae2a 100644
--- a/internal/logic/admin/dashboard.go
+++ b/internal/logic/admin/dashboard.go
@@ -3,17 +3,16 @@ package admin
 import (
 	"context"
 	"fmt"
-	"github.com/qianfree/team-api/internal/dao"
-	"github.com/qianfree/team-api/internal/logic/common"
-	do "github.com/qianfree/team-api/internal/model/do"
 	"strings"
 	"time"
 
-	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/gtime"
 
 	v1 "github.com/qianfree/team-api/api/admin/v1"
+	"github.com/qianfree/team-api/internal/dao"
+	"github.com/qianfree/team-api/internal/logic/common"
+	do "github.com/qianfree/team-api/internal/model/do"
 	"github.com/qianfree/team-api/internal/utility/export"
 )
 
@@ -402,7 +401,7 @@ func (s *sAdmin) AdjustBalance(ctx context.Context, req *v1.AdminWalletAdjustReq
 	}
 	affected, _ := result.RowsAffected()
 	if affected == 0 {
-		return nil, gerror.New("钱包不存在或余额不足")
+		return nil, common.NewBadRequestError("钱包不存在或余额不足")
 	}
 
 	// 查询更新后的余额，用于记录流水
@@ -447,7 +446,7 @@ func (s *sAdmin) GetWalletInfo(ctx context.Context, req *v1.AdminWalletInfoReq)
 		Fields("id, balance, frozen_balance, warning_threshold").
 		Scan(&w)
 	if err != nil || w == nil {
-		return nil, gerror.Newf("wallet not found for tenant %d", req.TenantID)
+		return nil, common.NewNotFoundError("钱包")
 	}
 
 	return &v1.AdminWalletInfoRes{
@@ -470,7 +469,7 @@ func (s *sAdmin) GetWalletTransactions(ctx context.Context, req *v1.AdminWalletT
 		Fields("id").
 		Scan(&w)
 	if err != nil || w == nil {
-		return nil, gerror.Newf("wallet not found for tenant %d", req.TenantID)
+		return nil, common.NewNotFoundError("钱包")
 	}
 
 	query := dao.BilTransactions.Ctx(ctx).Where("wallet_id", w.ID)
@@ -506,7 +505,7 @@ func (s *sAdmin) SetWarningThreshold(ctx context.Context, req *v1.AdminWalletSet
 		Fields("id").
 		Scan(&w)
 	if err != nil || w == nil {
-		return nil, gerror.Newf("wallet not found for tenant %d", req.TenantID)
+		return nil, common.NewNotFoundError("钱包")
 	}
 
 	_, err = dao.BilWallets.Ctx(ctx).
diff --git a/internal/logic/admin/error_log.go b/internal/logic/admin/error_log.go
index 3046ace..b9783a7 100644
--- a/internal/logic/admin/error_log.go
+++ b/internal/logic/admin/error_log.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"strings"
 
-	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/gtime"
 
@@ -79,7 +78,7 @@ func (s *sAdmin) ErrorLogDetail(ctx context.Context, req *v1.ErrorLogDetailReq)
 		return nil, err
 	}
 	if len(result) == 0 {
-		return nil, gerror.New("错误日志不存在")
+		return nil, common.NewNotFoundError("错误日志")
 	}
 	row := result[0]
 	data := make(map[string]any, len(row))
diff --git a/internal/logic/admin/task_management.go b/internal/logic/admin/task_management.go
index 35e61d4..1a06bf7 100644
--- a/internal/logic/admin/task_management.go
+++ b/internal/logic/admin/task_management.go
@@ -165,7 +165,7 @@ func (s *sAdmin) TaskCancel(ctx context.Context, req *v1.TaskCancelReq) (*v1.Tas
 	}
 	rowsAffected, _ := result.RowsAffected()
 	if rowsAffected == 0 {
-		return nil, gerror.New("任务无法取消（可能已完成或已失败）")
+		return nil, common.NewBadRequestError("任务无法取消（可能已完成或已失败）")
 	}
 	return &v1.TaskCancelRes{}, nil
 }
diff --git a/internal/logic/common/validation.go b/internal/logic/common/validation.go
index ff26459..3cc127e 100644
--- a/internal/logic/common/validation.go
+++ b/internal/logic/common/validation.go
@@ -4,7 +4,10 @@ import (
 	"time"
 	"unicode"
 
+	"github.com/gogf/gf/v2/errors/gcode"
 	"github.com/gogf/gf/v2/errors/gerror"
+
+	"github.com/qianfree/team-api/internal/consts"
 )
 
 // ValidatePassword 校验密码强度：至少8位，包含大写、小写、数字
@@ -52,7 +55,7 @@ func ValidateDateParam(date string, fieldName string) error {
 	}
 	_, err := time.Parse("2006-01-02", date)
 	if err != nil {
-		return gerror.Newf("%s格式无效，应为 YYYY-MM-DD", fieldName)
+		return gerror.NewCode(gcode.New(consts.CodeBadRequest, "", nil), "%s格式无效，应为 YYYY-MM-DD", fieldName)
 	}
 	return nil
 }