diff --git a/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/FieldConstant.java b/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/FieldConstant.java
index f31cc19..dd29940 100644
--- a/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/FieldConstant.java
+++ b/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/FieldConstant.java
@@ -48,6 +48,7 @@ public interface FieldConstant {
 
     String GRID_ID = "GRID_ID";
     String GRID_ID_HUMP = "gridId";
+    String CREATE_DATE = "create_date";