diff --git a/casic-server-support/src/main/java/com/casic/missiles/modular/system/model/Device.java b/casic-server-support/src/main/java/com/casic/missiles/modular/system/model/Device.java
index d8719ab..9b0f16d 100644
--- a/casic-server-support/src/main/java/com/casic/missiles/modular/system/model/Device.java
+++ b/casic-server-support/src/main/java/com/casic/missiles/modular/system/model/Device.java
@@ -111,9 +111,6 @@
     @TableField(exist = false)
     private String concenCode;
 
-    @ExcelProperty("浮子电线长度")
-    private Double lineLength;
-
     @TableField(exist = false)
     private Long concenId;
     //闸井ID