diff --git a/pqs-device/pq-device/pq-device-api/src/main/java/com/njcn/device/pq/pojo/param/LineParam.java b/pqs-device/pq-device/pq-device-api/src/main/java/com/njcn/device/pq/pojo/param/LineParam.java
index 15ac867d9..9fecfa991 100644
--- a/pqs-device/pq-device/pq-device-api/src/main/java/com/njcn/device/pq/pojo/param/LineParam.java
+++ b/pqs-device/pq-device/pq-device-api/src/main/java/com/njcn/device/pq/pojo/param/LineParam.java
@@ -65,7 +65,7 @@ public class LineParam {
      */
     @ApiModelProperty(name = "devCapacity",value = "设备容量",required = true)
     @NotNull(message = "设备容量不可为空")
-    @Pattern(regexp=PatternRegex.POSITIVEALL_NUM,message = "设备容量格式有误")
+    @Min(value=0,message = "设备容量格式有误")
     private Float devCapacity;
 
     /**
@@ -73,7 +73,7 @@ public class LineParam {
      */
     @ApiModelProperty(name = "shortCapacity",value = "短路容量",required = true)
     @NotNull(message = "短路容量不可为空")
-    @Pattern(regexp=PatternRegex.POSITIVEALL_NUM,message = "短路容量格式有误")
+    @Min(value=0,message = "设备容量格式有误")
     private Float shortCapacity;
 
     /**
@@ -81,7 +81,7 @@ public class LineParam {
      */
     @ApiModelProperty(name = "dealCapacity",value = "协议容量",required = true)
     @NotNull(message = "协议容量不可为空")
-    @Pattern(regexp=PatternRegex.POSITIVEALL_NUM,message = "协议容量格式有误")
+    @Min(value=0,message = "设备容量格式有误")
     private Float dealCapacity;
 
     /**
@@ -89,7 +89,7 @@ public class LineParam {
      */
     @ApiModelProperty(name = "standardCapacity",value = "基准容量新增时候可为空",required = true)
     @NotNull(message = "基准容量不可为空")
-    @Pattern(regexp=PatternRegex.POSITIVEALL_NUM,message = "基准容量格式有误")
+    @Min(value=0,message = "设备容量格式有误")
     private Float standardCapacity;