diff --git a/OpenAuth.App/FlowInstance/FlowInstanceApp.cs b/OpenAuth.App/FlowInstance/FlowInstanceApp.cs
index ccff2132..83ff17e0 100644
--- a/OpenAuth.App/FlowInstance/FlowInstanceApp.cs
+++ b/OpenAuth.App/FlowInstance/FlowInstanceApp.cs
@@ -303,6 +303,13 @@ namespace OpenAuth.App
             if (!string.IsNullOrEmpty(request.FrmData))
             {
                 flowInstance.FrmData = request.FrmData;
+                
+                if (flowInstance.FrmType == 1) //如果是开发者自定义的表单,更新对应数据库表数据
+                {
+                    var t = Type.GetType("OpenAuth.App." + flowInstance.DbName + "App");
+                    ICustomerForm icf = (ICustomerForm) _serviceProvider.GetService(t);
+                    icf.Update(flowInstance.Id,flowInstance.FrmData);
+                }
             }
 
             UnitWork.Update(flowInstance);
diff --git a/OpenAuth.App/FrmLeave/FrmLeaveReqApp.cs b/OpenAuth.App/FrmLeave/FrmLeaveReqApp.cs
index d02956f6..1a4267c8 100644
--- a/OpenAuth.App/FrmLeave/FrmLeaveReqApp.cs
+++ b/OpenAuth.App/FrmLeave/FrmLeaveReqApp.cs
@@ -32,15 +32,6 @@ namespace OpenAuth.App
             Repository.Add(obj);
         }
         
-        public void Update(FrmLeaveReq obj)
-        {
-            UnitWork.Update<FrmLeaveReq>(u => u.Id == obj.Id, u => new FrmLeaveReq
-            {
-               //todo:要修改的字段赋值
-            });
-
-        }
-
         public FrmLeaveReqApp(IUnitWork<OpenAuthDBContext> unitWork, IRepository<FrmLeaveReq,OpenAuthDBContext> repository,
             RevelanceManagerApp app,IAuth auth) : base(unitWork, repository, auth)
         {
@@ -53,5 +44,17 @@ namespace OpenAuth.App
             req.FlowInstanceId = flowInstanceId;
             Add(req);
         }
+
+        public void Update(string flowInstanceId, string frmData)
+        {
+            var req = JsonHelper.Instance.Deserialize<FrmLeaveReq>(frmData);
+            UnitWork.Update<FrmLeaveReq>(u => u.FlowInstanceId == flowInstanceId, u => new FrmLeaveReq
+            {
+                UserName = req.UserName,
+                RequestComment = req.RequestComment,
+                RequestType = req.RequestType
+                //补充其他需要更新的字段
+            });
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.App/Interface/ICustomerForm.cs b/OpenAuth.App/Interface/ICustomerForm.cs
index fc09f3a4..e387de32 100644
--- a/OpenAuth.App/Interface/ICustomerForm.cs
+++ b/OpenAuth.App/Interface/ICustomerForm.cs
@@ -12,5 +12,12 @@
         /// <param name="flowInstanceId">表单对应的流程实例ID</param>
         /// <param name="frmData">表单数据</param>
         void Add(string flowInstanceId, string frmData);
+        
+        /// <summary>
+        /// 该接口定义流程自定义表单模式时需实现向数据库更新表单数据
+        /// </summary>
+        /// <param name="flowInstanceId">更新的时候前端没有存储Id，需要用流程实例ID来关联，如果前端设计了Id字段，则可以不用</param>
+        /// <param name="frmData">表单数据</param>
+        void Update(string flowInstanceId, string frmData);
     }
 }