diff --git a/SanPinPLM/相关操作/1.0-EDM/70.电子签章设置.md b/SanPinPLM/相关操作/1.0-EDM/70.电子签章设置.md
index c93e752f..13639d2b 100644
--- a/SanPinPLM/相关操作/1.0-EDM/70.电子签章设置.md
+++ b/SanPinPLM/相关操作/1.0-EDM/70.电子签章设置.md
@@ -122,6 +122,14 @@ Creo三维签名需要使用电脑手写体签名，将 `FontCreator` 软件打
 
 只有在 [员工姓名](../0.5-SETOUT/40.用户设置.md#员工姓名) 中写了内容，才能找得到
 
+![](assets/Pasted%20image%2020250710162822.png)
+
+> 扩展内容，那么为什么杨杰在没有 **员工姓名** 的情况下也能查找到呢
+> 
+> 这是因为在数据库中，杨杰的 **员工姓名** 字段值不为 `null`（为空可以找到，为 `null` 不行）
+> 
+> ![](assets/Pasted%20image%2020250710162933.png)
+
 ## 手写体签名导入
 
 完成了 [电脑手写体签名制作](#电脑手写体签名制作) 后，并不像图片签章那样可以直接导入，需要先打开制作好的字体文件进行安装，将手写体安装到电脑上
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