diff --git a/src/main/java/com/njcn/influx/pojo/po/cs/EntData.java b/src/main/java/com/njcn/influx/pojo/po/cs/EntData.java
index d24a0a4..983b423 100644
--- a/src/main/java/com/njcn/influx/pojo/po/cs/EntData.java
+++ b/src/main/java/com/njcn/influx/pojo/po/cs/EntData.java
@@ -5,6 +5,7 @@ import com.njcn.influx.utils.InstantDateSerializer;
 import lombok.Data;
 import org.influxdb.annotation.Column;
 import org.influxdb.annotation.Measurement;
+import org.influxdb.annotation.TimeColumn;
 
 import java.time.Instant;
 
@@ -18,12 +19,12 @@ import java.time.Instant;
 @Data
 @Measurement(name = "evt_data")
 public class EntData {
-
-    @Column(name = "time")
+    @TimeColumn
+    @Column(name = "time",tag = true)
     @JsonSerialize(using = InstantDateSerializer.class)
     private Instant time;
 
-    @Column(name = "uuid")
+    @Column(name = "uuid", tag = true)
     private String uuid;
 
     @Column(name = "Evt_Param_Phase")