Fix 修复方案包详情中丢失引导信息的问题

SourceCode/We.Engine/WeEngine.Base/ModelInfo/ModelBase.cs

@@ -59,9 +59,9 @@ namespace WeEngine.ModelInfo
         {
             get
             {
-                return _guideInfos ?? (_guideInfos =
+                return _guideInfos?.Count > 0 ? _guideInfos : _guideInfos =
                     PackageNode?.GuideInfos?.Select(a => new GuideModel().ModelFrom(a)).ToList() ??
-                    new List<GuideModel>());
+                    new List<GuideModel>();
             }
             set => _guideInfos = value;
         }