diff --git a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
index 1d356808..0c07ee96 100644
--- a/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
+++ b/ess/ess-server/src/main/java/cn/axzo/nanopart/ess/server/entity/EssContract.java
@@ -1,7 +1,6 @@
 package cn.axzo.nanopart.ess.server.entity;
 
 import cn.axzo.foundation.dao.support.mysql.type.BaseListTypeHandler;
-import cn.axzo.nanopart.ess.api.domain.OrgPerson;
 import cn.axzo.nanopart.ess.api.domain.contract.Approver;
 import cn.axzo.nanopart.ess.api.domain.contract.EssApproveDetail;
 import cn.axzo.nanopart.ess.api.enums.EssContractState;
@@ -17,7 +16,6 @@ import lombok.Getter;
 import lombok.Setter;
 
 import java.util.List;
-import java.util.Optional;
 
 /**
  * @author yanglin
@@ -82,7 +80,7 @@ public class EssContract extends BaseEntity<EssContract> {
     /**
      * 动态签署人信息
      */
-    @TableField(typeHandler = ApproverListHandler.class)
+    @TableField(typeHandler = FastjsonTypeHandler.class)
     private AssignedApprovers assignedApprovers;
 
     /**
@@ -110,13 +108,6 @@ public class EssContract extends BaseEntity<EssContract> {
         return approvers.get(idx);
     }
 
-    public Optional<Approver> findPreciseApprover(OrgPerson person) {
-        return approvers.stream()
-                .filter(approver -> approver.getOuId().equals(person.getOuId())
-                        && approver.getPersonId().equals(person.getPersonId()))
-                .findFirst();
-    }
-
     public ApproverAssignType getAssignType() {
         return assignedApprovers == null ? null : assignedApprovers.getAssignType();
     }