diff --git a/modules/dop/component-protocol/components/issue-gantt/gantt/render.go b/modules/dop/component-protocol/components/issue-gantt/gantt/render.go
index 994ec9ce12e..a442bdf753f 100644
--- a/modules/dop/component-protocol/components/issue-gantt/gantt/render.go
+++ b/modules/dop/component-protocol/components/issue-gantt/gantt/render.go
@@ -57,18 +57,6 @@ func (f *ComponentGantt) Render(ctx context.Context, c *cptype.Component, scenar
 		return err
 	}
 
-	req := apistructs.IssuePagingRequest{
-		IssueListRequest: apistructs.IssueListRequest{
-			ProjectID:    f.projectID,
-			Type:         []apistructs.IssueType{apistructs.IssueTypeRequirement, apistructs.IssueTypeTask},
-			IterationIDs: f.State.Values.IterationIDs,
-			Label:        f.State.Values.LabelIDs,
-			Assignees:    f.State.Values.AssigneeIDs,
-		},
-		PageNo:   1,
-		PageSize: 500,
-	}
-
 	expand := make(map[uint64][]Item)
 	switch event.Operation {
 	case cptype.InitializeOperation, cptype.RenderingOperation:
@@ -86,12 +74,31 @@ func (f *ComponentGantt) Render(ctx context.Context, c *cptype.Component, scenar
 			},
 		}
 
+		req := apistructs.IssuePagingRequest{
+			IssueListRequest: apistructs.IssueListRequest{
+				ProjectID:    f.projectID,
+				Type:         []apistructs.IssueType{apistructs.IssueTypeRequirement, apistructs.IssueTypeTask},
+				IterationIDs: f.State.Values.IterationIDs,
+				Label:        f.State.Values.LabelIDs,
+				Assignees:    f.State.Values.AssigneeIDs,
+			},
+			PageNo:   1,
+			PageSize: 500,
+		}
 		issues, _, err := f.issueSvc.GetIssueChildren(0, req)
 		if err != nil {
 			return err
 		}
 		expand[0] = f.convertIssueItem(issues)
 	case cptype.OperationKey(apistructs.ExpandNode):
+		req := apistructs.IssuePagingRequest{
+			IssueListRequest: apistructs.IssueListRequest{
+				ProjectID: f.projectID,
+				Type:      []apistructs.IssueType{apistructs.IssueTypeTask},
+			},
+			PageNo:   1,
+			PageSize: 500,
+		}
 		for _, key := range op.Meta.Keys {
 			issues, _, err := f.issueSvc.GetIssueChildren(key, req)
 			if err != nil {
diff --git a/modules/dop/dao/issue.go b/modules/dop/dao/issue.go
index ee275cbfe12..e71b3537619 100644
--- a/modules/dop/dao/issue.go
+++ b/modules/dop/dao/issue.go
@@ -902,6 +902,10 @@ const (
 func (client *DBClient) FindIssueChildren(id uint64, req apistructs.IssuePagingRequest) ([]IssueItem, uint64, error) {
 	sql := client.Debug().Table("dice_issue_relation b").Joins(joinIssueChildren).Joins(joinStateNew).
 		Where("b.issue_id = ? AND b.type = ?", id, apistructs.IssueRelationInclusion)
+	if id == 0 {
+		sql = client.Debug().Table("dice_issues as a").Joins(joinRelation, apistructs.IssueRelationInclusion).Joins(joinStateNew).
+			Where("b.id IS NULL")
+	}
 	sql = sql.Where("a.deleted = 0").Where("a.project_id = ?", req.ProjectID)
 	if len(req.Type) > 0 {
 		sql = sql.Where("a.type IN (?)", req.Type)
diff --git a/modules/dop/services/issue/issue.go b/modules/dop/services/issue/issue.go
index 56f706e4f3d..3de78eeca1a 100644
--- a/modules/dop/services/issue/issue.go
+++ b/modules/dop/services/issue/issue.go
@@ -1601,13 +1601,13 @@ func (svc *Issue) GetIssueChildren(id uint64, req apistructs.IssuePagingRequest)
 	if req.PageSize == 0 {
 		req.PageSize = 20
 	}
-	if id == 0 {
-		requirements, tasks, total, err := svc.db.FindIssueRoot(req)
-		if err != nil {
-			return nil, 0, err
-		}
-		return append(requirements, tasks...), total, nil
-	}
+	// if id == 0 {
+	// 	requirements, tasks, total, err := svc.db.FindIssueRoot(req)
+	// 	if err != nil {
+	// 		return nil, 0, err
+	// 	}
+	// 	return append(requirements, tasks...), total, nil
+	// }
 	return svc.db.FindIssueChildren(id, req)
 }