diff --git a/source/src/main/java/tech/deepq/source/spel/ZhiDeMaiRequest.java b/source/src/main/java/tech/deepq/source/spel/ZhiDeMaiRequest.java
index 9d26bb8..b7b878d 100644
--- a/source/src/main/java/tech/deepq/source/spel/ZhiDeMaiRequest.java
+++ b/source/src/main/java/tech/deepq/source/spel/ZhiDeMaiRequest.java
@@ -33,11 +33,11 @@ public class ZhiDeMaiRequest {
 
     private static boolean init = false;
 
-    public long getLatestEventId(Long initEventId) {
+    public long getLatestEventId(String initEventId) {
 
         if (!init && initEventId != null) {
             init = true;
-            return initEventId;
+            return Long.parseLong(initEventId);
         }
 
         Store store = storeManager.getValueFromNsByKey("zdm", "latestEventId");