diff --git a/src/main/java/com/njcn/influx/pojo/po/DataHarmPowerP.java b/src/main/java/com/njcn/influx/pojo/po/DataHarmPowerP.java
index ef10b59..078eb5c 100644
--- a/src/main/java/com/njcn/influx/pojo/po/DataHarmPowerP.java
+++ b/src/main/java/com/njcn/influx/pojo/po/DataHarmPowerP.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;
 
@@ -19,6 +20,7 @@ import java.time.Instant;
 @Measurement(name = "data_harmpower_p")
 public class DataHarmPowerP {
 
+    @TimeColumn
     @Column(name = "time")
     @JsonSerialize(using = InstantDateSerializer.class)
     private Instant time;