diff --git a/src/CloudGaming/Code/CloudGaming.Code/Epg/EpgExtend.cs b/src/CloudGaming/Code/CloudGaming.Code/Epg/EpgExtend.cs
index 1c96da9..61ddf34 100644
--- a/src/CloudGaming/Code/CloudGaming.Code/Epg/EpgExtend.cs
+++ b/src/CloudGaming/Code/CloudGaming.Code/Epg/EpgExtend.cs
@@ -32,12 +32,12 @@ namespace CloudGaming.Code.Epg
             {
                 CornerIcon = epgCfg.CornerIconId,
                 EpgId = epgCfg.Id,
-                ResId = epgCfg.ResId,
+                ResId = epgCfg.ResId ?? "",
                 ResType = epgCfg.ResType,
-                IdName = epgCfg.IdName,
+                IdName = epgCfg.IdName ?? "",
                 ImageUrl = epgCfg.ImageId,
-                Title = epgCfg.Title,
-                SubTitle = epgCfg.Title2
+                Title = epgCfg.Title ?? "",
+                SubTitle = epgCfg.Title2 ?? ""
             };
 
             if (epgCfg.ResType == (int)EpgEnum.EpgResType.游戏)
@@ -50,11 +50,11 @@ namespace CloudGaming.Code.Epg
 
                 if (string.IsNullOrEmpty(epgInfo.Title))
                 {
-                    epgInfo.Title = gameInfo.GameName;
+                    epgInfo.Title = gameInfo.GameName ?? "";
                 }
                 if (string.IsNullOrEmpty(epgInfo.SubTitle))
                 {
-                    epgInfo.SubTitle = gameInfo.Title2;
+                    epgInfo.SubTitle = gameInfo.Title2 ?? "";
                 }
                 if (epgCfg.ImageResStyle == 0)
                 {