diff --git a/service/repositories/image_handle.go b/service/repositories/image_handle.go
index 753fdc82..a18c70de 100644
--- a/service/repositories/image_handle.go
+++ b/service/repositories/image_handle.go
@@ -264,18 +264,21 @@ func (l *defaultImageHandle) LogoCombine(ctx context.Context, in *LogoCombineReq
 			logx.Error(err)
 			return nil, err
 		}
-		if templateInfo["materialList"] == nil {
+		mapMaterialList, existMaterialList := templateInfo["materialList"]
+		if !existMaterialList {
 			err = errors.New("materialList is null")
 			logc.Errorf(ctx, "materialList err：%v", err)
 			return nil, err
 		}
-		materialList = templateInfo["materialList"].([]interface{})
-		if templateInfo["groupOptions"] == nil {
+		materialList = mapMaterialList.([]interface{})
+
+		mapGroupOptions, existGroupOptions := templateInfo["groupOptions"]
+		if !existGroupOptions {
 			err = errors.New("groupOptions is null")
 			logc.Errorf(ctx, "groupOptions err：%v", err)
 			return nil, err
 		}
-		groupOptions = templateInfo["groupOptions"].(map[string]interface{})
+		groupOptions = mapGroupOptions.(map[string]interface{})
 	}
 
 	var moduleDataMap = make(map[string]interface{}, 4)