diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Append.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Append.cs
index fe0195a7e..2eceef2f9 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Append.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Append.cs
@@ -147,7 +147,7 @@ namespace SqlSugar
                 }
                 else if (UtilMethods.IsParameterConverter(columnInfo))
                 {
-                    SugarParameter p = UtilMethods.GetParameterConverter(this.Context.SugarContext.Context, value, oppoSiteExpression, columnInfo);
+                    SugarParameter p = UtilMethods.GetParameterConverter(this.Context.ParameterIndex,this.Context.SugarContext.Context, value, oppoSiteExpression, columnInfo);
                     appendValue = p.ParameterName;
                     this.Context.Parameters.Add(p);
                 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
index de849cfcb..8ce69d6be 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs
@@ -55,7 +55,7 @@ namespace SqlSugar
                         var type = columnInfo.SqlParameterDbType as Type;
                         var ParameterConverter = type.GetMethod("ParameterConverter").MakeGenericMethod(columnInfo.PropertyInfo.PropertyType);
                         var obj = Activator.CreateInstance(type);
-                        var p = ParameterConverter.Invoke(obj, new object[] { value, 100 + this.ContentIndex }) as SugarParameter;
+                        var p = ParameterConverter.Invoke(obj, new object[] { value, 100 + this.Context.ParameterIndex }) as SugarParameter;
                         value = p.Value;
                     }
                 }
diff --git a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
index 8c0e76db2..d82bec790 100644
--- a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
@@ -33,13 +33,13 @@ namespace SqlSugar
             return columnInfo != null && columnInfo.SqlParameterDbType != null && columnInfo.SqlParameterDbType is Type
                 && typeof(ISugarDataConverter).IsAssignableFrom(columnInfo.SqlParameterDbType as Type);
         }
-        internal static SugarParameter GetParameterConverter(ISqlSugarClient db,object value, Expression oppoSiteExpression, EntityColumnInfo columnInfo)
+        internal static SugarParameter GetParameterConverter(int index,ISqlSugarClient db,object value, Expression oppoSiteExpression, EntityColumnInfo columnInfo)
         {
             var entity = db.EntityMaintenance.GetEntityInfo(oppoSiteExpression.Type);
             var type = columnInfo.SqlParameterDbType as Type;
             var ParameterConverter = type.GetMethod("ParameterConverter").MakeGenericMethod(columnInfo.PropertyInfo.PropertyType);
             var obj = Activator.CreateInstance(type);
-            var p = ParameterConverter.Invoke(obj, new object[] { value, 100 }) as SugarParameter;
+            var p = ParameterConverter.Invoke(obj, new object[] { value, 100+index }) as SugarParameter;
             return p;
         }
         internal static bool IsErrorParameterName(ConnectionConfig connectionConfig,DbColumnInfo columnInfo)