diff --git a/MDM/Models/Recipe/Dto/EffectiveRecipeDto.cs b/MDM/Models/Recipe/Dto/EffectiveRecipeDto.cs
index d219be3..2426dff 100644
--- a/MDM/Models/Recipe/Dto/EffectiveRecipeDto.cs
+++ b/MDM/Models/Recipe/Dto/EffectiveRecipeDto.cs
@@ -12,13 +12,13 @@ namespace MDM.Models.Recipe.Dto
         /// 工艺路线编码 
         /// </summary>
 
-        public string FkRoutingCode { get; set; }
+        public string? FkRoutingCode { get; set; }
 
         /// <summary>
         /// 工序编码 
         /// </summary>
 
-        public string FkOperationCode { get; set; }
+        public string? FkOperationCode { get; set; }
 
         /// <summary>
         /// 产品,码 
diff --git a/MDM/Models/Recipe/Dto/PfRecipeIssueLogDto.cs b/MDM/Models/Recipe/Dto/PfRecipeIssueLogDto.cs
index ef9da86..59c52f8 100644
--- a/MDM/Models/Recipe/Dto/PfRecipeIssueLogDto.cs
+++ b/MDM/Models/Recipe/Dto/PfRecipeIssueLogDto.cs
@@ -42,7 +42,7 @@ namespace RIZO.Model.MES.recipe.Dto
         /// 下达时间 
         /// </summary>
      
-        public string IssueTime { get; set; }
+        public string? IssueTime { get; set; }
 
 
 
@@ -50,25 +50,25 @@ namespace RIZO.Model.MES.recipe.Dto
         /// 工单号
         /// </summary>
      
-        public string Workorder { get; set; }
+        public string? Workorder { get; set; }
 
         /// <summary>
         /// 产品码
         /// </summary>
      
-        public string Productcode { get; set; }
+        public string? Productcode { get; set; }
 
         /// <summary>
         /// 产品名称
         /// </summary>
 
-        public string Productname { get; set; }
+        public string? Productname { get; set; }
 
         /// <summary>
         /// 创建人 
         /// </summary>
       
-        public string CreatedBy { get; set; }
+        public string? CreatedBy { get; set; }
 
         /// <summary>
         /// 创建时间 
@@ -80,7 +80,7 @@ namespace RIZO.Model.MES.recipe.Dto
         /// 更新人 
         /// </summary>
         [SugarColumn(ColumnName = "updated_by")]
-        public string UpdatedBy { get; set; }
+        public string? UpdatedBy { get; set; }
 
         /// <summary>
         /// 更新时间 
diff --git a/MDM/Models/Recipe/Dto/PfRecipeParametersDto.cs b/MDM/Models/Recipe/Dto/PfRecipeParametersDto.cs
index ba281ac..a1d8f8a 100644
--- a/MDM/Models/Recipe/Dto/PfRecipeParametersDto.cs
+++ b/MDM/Models/Recipe/Dto/PfRecipeParametersDto.cs
@@ -33,13 +33,13 @@ namespace RIZO.Model.MES.recipe.Dto
 
         public string StandardValue { get; set; }
 
-        public string Remark { get; set; }
+        public string? Remark { get; set; }
 
-        public  string CreatedBy { get; set; }
+        public  string? CreatedBy { get; set; }
 
         public DateTime? CreatedTime { get; set; }
 
-        public string UpdatedBy { get; set; }
+        public string? UpdatedBy { get; set; }
 
         public DateTime? UpdatedTime { get; set; }
 
diff --git a/MDM/Models/Recipe/Dto/PfRecipeTemplateDto.cs b/MDM/Models/Recipe/Dto/PfRecipeTemplateDto.cs
index bf444f6..7bb86f7 100644
--- a/MDM/Models/Recipe/Dto/PfRecipeTemplateDto.cs
+++ b/MDM/Models/Recipe/Dto/PfRecipeTemplateDto.cs
@@ -27,9 +27,9 @@ namespace RIZO.Model.MES.recipe.Dto
 
         public string StandardValue { get; set; }
 
-        public string Remark { get; set; }
+        public string? Remark { get; set; }
 
-        public string CreatedBy { get; set; }
+        public string? CreatedBy { get; set; }
 
         public DateTime? CreatedTime { get; set; }
 
@@ -37,9 +37,9 @@ namespace RIZO.Model.MES.recipe.Dto
 
         public DateTime? UpdatedTime { get; set; }
 
-        public int sequence { get; set; }
+        public int? sequence { get; set; }
 
-        public int Ifcheck { get; set; }
+        public int? Ifcheck { get; set; }
 
     }
 }
\ No newline at end of file
diff --git a/MDM/Models/Recipe/Dto/PfRecipeVersionDto.cs b/MDM/Models/Recipe/Dto/PfRecipeVersionDto.cs
index 19d668d..e753849 100644
--- a/MDM/Models/Recipe/Dto/PfRecipeVersionDto.cs
+++ b/MDM/Models/Recipe/Dto/PfRecipeVersionDto.cs
@@ -28,19 +28,19 @@ namespace RIZO.Model.MES.recipe.Dto
 
         public int Status { get; set; }
 
-        public string CreatedBy { get; set; }
+        public string? CreatedBy { get; set; }
 
         public DateTime? CreatedTime { get; set; }
 
-        public string UpdatedBy { get; set; }
+        public string? UpdatedBy { get; set; }
 
         public DateTime? UpdatedTime { get; set; }
 
         public string StatusLabel { get; set; }
 
-        public string ProductCode { get; set; }
+        public string? ProductCode { get; set; }
 
-        public string ProductName { get; set; }
+        public string? ProductName { get; set; }
 
         //配方下达状态
         public int IssueStatus { get; set; }
diff --git a/MDM/Models/Recipe/Dto/PfRefProductRecipeDto.cs b/MDM/Models/Recipe/Dto/PfRefProductRecipeDto.cs
index 29cb833..a6c5c58 100644
--- a/MDM/Models/Recipe/Dto/PfRefProductRecipeDto.cs
+++ b/MDM/Models/Recipe/Dto/PfRefProductRecipeDto.cs
@@ -33,17 +33,17 @@ namespace RIZO.Model.MES.recipe.Dto
 
         public string ProductName { get; set; }
 
-        public string FkRoutingCode { get; set; }
+        public string? FkRoutingCode { get; set; }
 
-        public string FkOperationCode { get; set; }
+        public string? FkOperationCode { get; set; }
 
-        public string FkLineCode { get; set; }
+        public string? FkLineCode { get; set; }
 
-        public string CreatedBy { get; set; }
+        public string? CreatedBy { get; set; }
 
         public DateTime? CreatedTime { get; set; }
 
-        public string UpdatedBy { get; set; }
+        public string? UpdatedBy { get; set; }
 
         public DateTime? UpdatedTime { get; set; }