diff --git a/packages/x6/src/view/edge.ts b/packages/x6/src/view/edge.ts
index b4718d25b77..0220a3cf6a9 100644
--- a/packages/x6/src/view/edge.ts
+++ b/packages/x6/src/view/edge.ts
@@ -202,6 +202,7 @@ export class EdgeView<
     this.renderMarkup()
     this.renderLabels()
     this.update()
+    this.renderExternalTools()
 
     return this
   }
@@ -541,12 +542,7 @@ export class EdgeView<
     this.updateLabelPositions()
     this.updateToolsPosition()
     this.updateArrowheadMarkers()
-
-    if (options.toolId == null) {
-      this.renderExternalTools()
-    } else {
-      this.updateTools(options)
-    }
+    this.updateTools(options)
 
     return this
   }
diff --git a/packages/x6/src/view/tool.ts b/packages/x6/src/view/tool.ts
index d90370c26dd..c9799f1d3bb 100644
--- a/packages/x6/src/view/tool.ts
+++ b/packages/x6/src/view/tool.ts
@@ -327,7 +327,7 @@ export namespace ToolsView {
 
     protected cellView: TargetView
 
-    protected visible: boolean
+    protected visible = true
 
     protected childNodes: KeyValue<Element>
 
@@ -440,7 +440,7 @@ export namespace ToolsView {
     }
 
     isVisible() {
-      return this.visible
+      return !!this.visible
     }
 
     focus() {