diff --git a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/ContractManager.java b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/ContractManager.java
index 57015aad..5ccef539 100644
--- a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/ContractManager.java
+++ b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/ess/ContractManager.java
@@ -20,7 +20,6 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.transaction.support.TransactionTemplate;
 
 import java.util.Arrays;
 import java.util.List;
@@ -44,7 +43,6 @@ public class ContractManager {
     private final EssBroadcaster essBroadcaster;
     private final ContractSupport contractSupport;
     private final EssLogDao essLogDao;
-    private final TransactionTemplate transactionTemplate;
 
     public CreateContractByFileResponse
     createContractByFile(CreateContractByFileRequest request) {