diff --git a/src/main/java/com/webank/wecross/interchain/InterchainScheduler.java b/src/main/java/com/webank/wecross/interchain/InterchainScheduler.java
index 097c06329..fe41e4698 100644
--- a/src/main/java/com/webank/wecross/interchain/InterchainScheduler.java
+++ b/src/main/java/com/webank/wecross/interchain/InterchainScheduler.java
@@ -261,8 +261,7 @@ public void callTargetChain(
             }
 
             TransactionRequest transactionRequest = new TransactionRequest();
-            transactionRequest.setArgs(
-                    new String[] {objectMapper.writeValueAsString(interchainRequest.getArgs())});
+            transactionRequest.setArgs(interchainRequest.getArgs());
             transactionRequest.setMethod(interchainRequest.getMethod());
 
             transactionRequest.getOptions().put(StubConstant.TRANSACTION_UNIQUE_ID, uid);