diff --git a/src/main/java/io/v/nutz/activity/models/ActivitySiteReserve.java b/src/main/java/io/v/nutz/activity/models/ActivitySiteReserve.java
index 9220118..5f2df0c 100644
--- a/src/main/java/io/v/nutz/activity/models/ActivitySiteReserve.java
+++ b/src/main/java/io/v/nutz/activity/models/ActivitySiteReserve.java
@@ -40,7 +40,7 @@ public class ActivitySiteReserve extends BaseModel {
 
     @Column
     @Comment("预约人单位")
-    @ColDefine(type = ColType.VARCHAR, width = 50)
+    @ColDefine(type = ColType.VARCHAR, width = 500)
     private String reserve_person_unit;
 
     @Column