diff --git a/src/graphics/platform/PlatformDrawAssistant.ts b/src/graphics/platform/PlatformDrawAssistant.ts
index 407289d..af080cf 100644
--- a/src/graphics/platform/PlatformDrawAssistant.ts
+++ b/src/graphics/platform/PlatformDrawAssistant.ts
@@ -31,7 +31,7 @@ export class PlatformDraw extends GraphicDrawAssistant<
       app,
       new PlatformTemplate(),
       createData,
-      'svguse:/drawIcon.svg#icon-platform',
+      'svguse:../../drawIcon.svg#icon-platform',
       '站台Platform'
     );
     this.container.addChild(this.platformGraphic);
diff --git a/src/graphics/signal/SignalDrawAssistant.ts b/src/graphics/signal/SignalDrawAssistant.ts
index 7556589..2e84440 100644
--- a/src/graphics/signal/SignalDrawAssistant.ts
+++ b/src/graphics/signal/SignalDrawAssistant.ts
@@ -23,7 +23,7 @@ export class SignalDraw extends GraphicDrawAssistant<
       app,
       new SignalTemplate(),
       createData,
-      'svguse: /drawIcon.svg#icon-signal',
+      'svguse: ../../drawIcon.svg#icon-signal',
       '信号机Signal'
     );
 
@@ -52,7 +52,7 @@ export class SignalDraw extends GraphicDrawAssistant<
   onRightClick(): void {
     this.createAndStore(true);
   }
-  onLeftDown(e: FederatedPointerEvent): void {
+  onLeftUp(e: FederatedPointerEvent): void {
     this.container.position.copyFrom(this.toCanvasCoordinates(e.global));
     this.createAndStore(true);
   }
diff --git a/src/graphics/station/StationDrawAssistant.ts b/src/graphics/station/StationDrawAssistant.ts
index e03fd9c..4508486 100644
--- a/src/graphics/station/StationDrawAssistant.ts
+++ b/src/graphics/station/StationDrawAssistant.ts
@@ -23,7 +23,7 @@ export class StationDraw extends GraphicDrawAssistant<
       app,
       new StationTemplate(),
       createData,
-      'svguse:/drawIcon.svg#icon-station',
+      'svguse:../../drawIcon.svg#icon-station',
       '车站Station'
     );
     this.codeGraph = this.graphicTemplate.new();