diff --git a/app/src/main/java/com/bonait/bnframework/common/modbus/S7/mode/MyS7Entity.java b/app/src/main/java/com/bonait/bnframework/common/modbus/S7/mode/MyS7Entity.java
index a6982120..3f21835c 100644
--- a/app/src/main/java/com/bonait/bnframework/common/modbus/S7/mode/MyS7Entity.java
+++ b/app/src/main/java/com/bonait/bnframework/common/modbus/S7/mode/MyS7Entity.java
@@ -17,6 +17,9 @@ public class MyS7Entity {
 //    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
 //    @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone="GMT+8")
 //    private Date insertTime;
+    //S7Type.REAL 对应float或double类型
+    //S7Type.WORD int
+    //S7Type.STRING 字符串
 
     //必须为public 否则报错
     @S7Variable(byteOffset = 0, type = S7Type.REAL)