diff --git a/modeler/src/views/decision/builder/line.ts b/modeler/src/views/decision/builder/line.ts
index 5e444d7..446931f 100644
--- a/modeler/src/views/decision/builder/line.ts
+++ b/modeler/src/views/decision/builder/line.ts
@@ -28,6 +28,10 @@ export const createLineOptions = (): any => {
         strokeWidth: 2,
         strokeDasharray: ' ',
         strokeDashoffset: 0,
+
+        // 去掉箭头
+        targetMarker: null,
+        sourceMarker: null,
       },
       marker: {
         fill: '#5da0df',