diff --git a/docs/system-design/data-communication/Kafka系统设计开篇-面试看这篇就够了.md b/docs/system-design/data-communication/Kafka系统设计开篇-面试看这篇就够了.md
index d21fad3a..7132c426 100644
--- a/docs/system-design/data-communication/Kafka系统设计开篇-面试看这篇就够了.md
+++ b/docs/system-design/data-communication/Kafka系统设计开篇-面试看这篇就够了.md
@@ -275,7 +275,3 @@ zero-copy
 增大producer数量
 ack配置
 batch
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