新增访客记录时peerNum字段校验逻辑改为不小于0

src/main/java/com/template/model/request/WelcomeVisitorRequest.java

@@ -65,7 +65,7 @@ public class WelcomeVisitorRequest implements Serializable {
 
     @ApiModelProperty(value = "同行人数")
     @NotNull(message = "同行人数不能为空")
-    @Min(value = 1, message = "同行人数不能少于1")
+    @Min(value = 0, message = "同行人数不能少于0")
     private Integer peerNum;
 
     @ApiModelProperty(value = "访问事由")