Update

MesETL.App/Cache/RedisCache.cs

@@ -57,6 +57,7 @@ public static class RedisCacheExtensions
     {
         var conn = ConnectionMultiplexer.Connect(options.Configuration 
                                                  ?? throw new ApplicationException("未配置Redis连接字符串"));
+        services.AddSingleton(conn);
         services.AddSingleton<ICacher>(new RedisCache(conn, options.Database, options.InstanceName));
         return services;
     }