refactor: 增加 static 关键字

ArgoZhang · Jan 2, 2021 · 534a3a8 · 534a3a8
1 parent 23c9db6
commit 534a3a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/admin/Bootstrap.Admin/Pages/Extensions/DisplayNamesExtensions.cs b/src/admin/Bootstrap.Admin/Pages/Extensions/DisplayNamesExtensions.cs
@@ -13,7 +13,7 @@ namespace Microsoft.Extensions.DependencyInjection
     public static class DisplayNamesExtensions
     {
 
-        private static ConcurrentDictionary<(Type ModelType, string FieldName), string> _displayNameCache = new ConcurrentDictionary<(Type, string), string>();
+        private static readonly ConcurrentDictionary<(Type ModelType, string FieldName), string> _displayNameCache = new ConcurrentDictionary<(Type, string), string>();
 
         /// <summary>
         /// 向系统中加入实体类显示名称字典