diff --git a/.vs/SqlSugar/v14/.suo b/.vs/SqlSugar/v14/.suo
index e8977d563..851f1301e 100644
Binary files a/.vs/SqlSugar/v14/.suo and b/.vs/SqlSugar/v14/.suo differ
diff --git a/SqlSugar/ExpressionsToSql/ExpResolveAccessory.cs b/SqlSugar/ExpressionsToSql/ExpResolveAccessory.cs
index 15ed1a8c6..6cba879c9 100644
--- a/SqlSugar/ExpressionsToSql/ExpResolveAccessory.cs
+++ b/SqlSugar/ExpressionsToSql/ExpResolveAccessory.cs
@@ -8,6 +8,6 @@ namespace SqlSugar
 {
     public class ExpResolveAccessory
     {
-        protected List<DbParameter> _Parameters { get; set; }
+        protected List<SugarParameter> _Parameters { get; set; }
     }
 }
diff --git a/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index 8dfa744f1..be0387935 100644
--- a/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -21,18 +21,18 @@ namespace SqlSugar
 
         public override string ToString()
         {
-            BaseResolve resolve = new BaseResolve(new ExpressionParameter() { Expression=this.Expression, Context=this });
+            BaseResolve resolve = new BaseResolve(new ExpressionParameter() { Expression = this.Expression, Context = this });
             resolve.Start();
             return resolve.SqlWhere;
         }
 
         public string GetSelect() { return ""; }
 
-        public List<DbParameter> Parameters
+        public List<SugarParameter> Parameters
         {
             get
             {
-                return PubMethod.IsNullReturnNew(base._Parameters);
+                return base._Parameters;
             }
             set
             {
diff --git a/SqlSugar/Entities/SugarParameter.cs b/SqlSugar/ExpressionsToSql/SugarParameter.cs
similarity index 100%
rename from SqlSugar/Entities/SugarParameter.cs
rename to SqlSugar/ExpressionsToSql/SugarParameter.cs
diff --git a/SqlSugar/SqlSugar.csproj b/SqlSugar/SqlSugar.csproj
index 43912cf9d..998cff783 100644
--- a/SqlSugar/SqlSugar.csproj
+++ b/SqlSugar/SqlSugar.csproj
@@ -97,7 +97,7 @@
     <Compile Include="Entities\ConnectionConfig.cs" />
     <Compile Include="Entities\DbColumnInfo.cs" />
     <Compile Include="Entities\DbTableInfo.cs" />
-    <Compile Include="Entities\SugarParameter.cs" />
+    <Compile Include="ExpressionsToSql\SugarParameter.cs" />
     <Compile Include="ExpressionsToSql\ExpressionParameter.cs" />
     <Compile Include="Entities\JoinQueryInfo.cs" />
     <Compile Include="Entities\Mapping\MappingColumn.cs" />