diff --git a/04.PVE创建模板虚拟机.md b/04.PVE创建模板虚拟机.md
index ed78521..5ad40ce 100644
--- a/04.PVE创建模板虚拟机.md
+++ b/04.PVE创建模板虚拟机.md
@@ -52,7 +52,11 @@ CPU `类型` 选择 `host` ，`插槽` 与 `核心` 数根据物理 CPU 核心
 
 ### 1.6.内存
 
-内存一般 `2G` 足够使用，取消勾选 `Ballooning 设备` 。  
+建议将 `内存` 设置为业务峰值需求，`最小内存` 原则上不低于 `内存` 的 `75%` 。  
+
+默认启用 `Ballooning 设备` ，使 PVE 能够获取虚拟机内部的内存统计，并在宿主机出现内存压力时动态回收和调配内存。  
+
+将 `最小内存` 设置为与 `内存` 相同，可保留统计能力，同时为虚拟机提供固定的内存保障。  
 
 对于 `允许 KSM` 内核同页合并功能，建议保留勾选状态。  
 
@@ -302,7 +306,7 @@ IPv6 使用 `静态` 地址后，并不影响虚拟机通过主路由获取 IPv6
 
 ```
 
-![虚拟机备注](img/p04/vm_notes.jpeg)
+![虚拟机备注](img/p04/vm_notes.jpg)
 
 至此，模板虚拟机创建完成，可将该虚拟机开机。  
 
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