diff --git a/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/Constant.java b/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/Constant.java
index 293fbd0..7ec0f18 100644
--- a/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/Constant.java
+++ b/epdc-commons-tools/src/main/java/com/elink/esua/epdc/commons/tools/constant/Constant.java
@@ -108,4 +108,14 @@ public interface Constant {
      * 移动端接口标识
      */
     String EPDC_APP = "epdc-app/";
+
+    /**
+     * AccessToken header
+     */
+    String ACCESS_TOKEN = "AccessToken";
+
+    /**
+     * 时间戳
+     */
+    String TIMESTAMP = "Timestamp";
 }