diff --git a/性能.md b/性能.md
index 5a1160f..d3d9c6f 100644
--- a/性能.md
+++ b/性能.md
@@ -173,7 +173,7 @@ public void QueryDynamic() {
     time.Restart();
     var t5 = g.mysql.Ado.Query<dynamic>("select * from song");
     time.Stop();
-    sb.AppendLine($"Elapsed: {time.Elapsed}; Query Dynamic Counts: {t3.Count}; ORM: FreeSql*");
+    sb.AppendLine($"Elapsed: {time.Elapsed}; Query Dynamic Counts: {t5.Count}; ORM: FreeSql*");
 }
 ```