diff --git a/src/UI/Components/ToolBar/ResourceLibrary/RsourceStore.ts b/src/UI/Components/ToolBar/ResourceLibrary/RsourceStore.ts
index c4ee38e8f..9617d8994 100644
--- a/src/UI/Components/ToolBar/ResourceLibrary/RsourceStore.ts
+++ b/src/UI/Components/ToolBar/ResourceLibrary/RsourceStore.ts
@@ -234,7 +234,7 @@ export default class ResourceStore
 
                 // mtl.color.convertLinearToGamma();
                 color.convertGammaToLinear(0.5);//本质上等于上一行代码
-                mtl.color = color.getHexString();
+                mtl.color = "#" + color.getHexString();
                 mtl.Update();
             }