diff --git a/ShadowEditor.Web/src/helper/SelectHelper.js b/ShadowEditor.Web/src/helper/SelectHelper.js
index 9f333c99..7e73e872 100644
--- a/ShadowEditor.Web/src/helper/SelectHelper.js
+++ b/ShadowEditor.Web/src/helper/SelectHelper.js
@@ -126,7 +126,7 @@ SelectHelper.prototype.onObjectSelected = function (obj) {
                     value: new THREE.Vector2(1 / width, 1 / height)
                 }
             },
-            blending: THREE.NoBlending,
+            blending: THREE.AdditiveBlending,
             depthTest: false
         });
     }