diff --git a/renren-admin/src/main/java/io/renren/modules/demanData/listener/DemandDataListener.java b/renren-admin/src/main/java/io/renren/modules/demanData/listener/DemandDataListener.java
index c0ae1890..c0bcad7d 100644
--- a/renren-admin/src/main/java/io/renren/modules/demanData/listener/DemandDataListener.java
+++ b/renren-admin/src/main/java/io/renren/modules/demanData/listener/DemandDataListener.java
@@ -148,7 +148,14 @@ public class DemandDataListener implements TaskListener, ExecutionListener, Acti
 
     private void complete(DelegateTask delegateTask) {
         Map<String, Object> kv = delegateTask.getVariables();
-        Gson gson = new Gson();
+        GsonBuilder builder = new GsonBuilder();
+        builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
+            public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+                return new Date(json.getAsJsonPrimitive().getAsLong());
+            }
+        });
+
+        Gson gson = builder.create();
         JsonElement jsonElement = gson.toJsonTree(kv);
         TDemandDataDTO demandDataDTO = gson.fromJson(jsonElement, TDemandDataDTO.class);