diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
index a6dcafdf2..a2a02f243 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugarCore</id>
-    <version>5.1.4.172</version>
+    <version>5.1.4.173-preview01</version>
     <authors>sunkaixuan</authors>
     <owners>果糖大数据科技</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>
diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
index 39970cc80..7005b7537 100644
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
@@ -1579,7 +1579,7 @@ namespace SqlSugar
             var result = sqlObj.Key;
             if (sqlObj.Value != null)
             {
-                foreach (var item in sqlObj.Value.OrderByDescending(it => it.ParameterName.Length))
+                foreach (var item in UtilMethods.CopySugarParameters(sqlObj.Value).OrderByDescending(it => it.ParameterName.Length))
                 {
                     if (item.ParameterName.StartsWith(":")&&!result.Contains(item.ParameterName)) 
                     {