fix

Author: lqlive

src/Middleware/OutputCaching/src/OutputCacheServiceCollectionExtensions.cs

@@ -26,7 +26,7 @@ public static IServiceCollection AddOutputCache(this IServiceCollection services
 
         services.AddTransient<IConfigureOptions<OutputCacheOptions>, OutputCacheOptionsSetup>();
 
-        services.TryAddTransient<ObjectPoolProvider, DefaultObjectPoolProvider>();
+        services.TryAddSingleton<ObjectPoolProvider, DefaultObjectPoolProvider>();
         services.TryAddTransient<IOutputCachePolicyProvider, DefaultOutputCachePolicyProvider>();
 
         services.TryAddSingleton<IOutputCacheStore>(sp =>