fix bug

storeroom/src/main/java/com/storeroom/modules/device/domain/CameraInfo.java

@@ -41,8 +41,9 @@ public class CameraInfo extends BaseEntity implements Serializable {
     @ApiModelProperty(value = "事件")
     private String event;
 
-    @Column(name = "event")
-    @ApiModelProperty(value = "事件")
+
+    @Column(name = "download_link")
+    @ApiModelProperty(value = "视频下载链接")
     private String downloadLink;
 
     @Override