diff --git a/op-modules/op-open/src/main/java/com/op/open/service/impl/OpenServiceImpl.java b/op-modules/op-open/src/main/java/com/op/open/service/impl/OpenServiceImpl.java
index 198a5f2d..9e2b8849 100644
--- a/op-modules/op-open/src/main/java/com/op/open/service/impl/OpenServiceImpl.java
+++ b/op-modules/op-open/src/main/java/com/op/open/service/impl/OpenServiceImpl.java
@@ -397,6 +397,7 @@ public class OpenServiceImpl implements OpenService {
             String requestName = paramMap.get("requestName").toString();
             String workflowId = paramMap.get("workflowId").toString();
             String mainObject = paramMap.get("mainObject").toString();
+            String details = paramMap.get("details").toString();
 
             // Building the postData string using StringBuilder
             StringBuilder postDataBuilder = new StringBuilder();
@@ -406,7 +407,7 @@ public class OpenServiceImpl implements OpenService {
                     .append("&workflowId=").append(workflowId)
                     .append("&mainObject=").append(URLEncoder.encode(mainObject, StandardCharsets.UTF_8.toString()));
             if (Constants.WORKFLOWID_ZL0020.equals(workflowId)) {
-                postDataBuilder.append("&details=").append(URLEncoder.encode(mainObject, StandardCharsets.UTF_8.toString()));
+                postDataBuilder.append("&details=").append(URLEncoder.encode(details, StandardCharsets.UTF_8.toString()));
             }
             String postData = postDataBuilder.toString();
             String result = HttpUtils.sendPostOA(oa_url, postData);