!1876 修复:expv无法发送纯色材质

src/Add-on/ExportData.tsx

@@ -363,7 +363,7 @@ export function ConverMaterialData(material: PhysicalMaterialRecord)
     d.depthTest = material.depthTest;
 
     if (material.useMap)
-        d.map = (material.map?.Object as TextureTableRecord)?.imageUrl;
+        d.map = (material.map?.Object as TextureTableRecord)?.imageUrl; //默认材质没有url
 
     if (material.useBumpMap)
         d.bumpMap = (material.bumpMap?.Object as TextureTableRecord)?.imageUrl;
@@ -372,7 +372,7 @@ export function ConverMaterialData(material: PhysicalMaterialRecord)
     if (material.useRoughnessMap)
         d.roughnessMap = (material.roughnessMap?.Object as TextureTableRecord)?.imageUrl;
     d.roughness = material.roughness;
-    d.useMap = material.useMap;
+    d.useMap = Boolean(material.useMap && material.map);//默认材质 有对象 但是没url
     d.useBumpMap = material.useBumpMap;
     d.useRoughnessMap = material.useRoughnessMap;
     d.isFull = material.IsFull;