diff --git a/OrmTest/Demo/Update.cs b/OrmTest/Demo/Update.cs
index 4316544a1..a83bad765 100644
--- a/OrmTest/Demo/Update.cs
+++ b/OrmTest/Demo/Update.cs
@@ -44,6 +44,11 @@ namespace OrmTest.Demo
 
             //Where By Expression
             var t9 = db.Updateable(updateObj).Where(it => it.Id == 1).ExecuteCommand();
+
+            //Where
+            var t10= db.Updateable<Student>()
+                .UpdateColumns(it => new Student() { Name = "jack", SchoolId =1 })
+                .Where(it => it.Id == 11).ExecuteCommand();
         }
         public static SqlSugarClient GetInstance()
         {
diff --git a/OrmTest/UnitTest/Update.cs b/OrmTest/UnitTest/Update.cs
index 2af2a9939..8c16a8741 100644
--- a/OrmTest/UnitTest/Update.cs
+++ b/OrmTest/UnitTest/Update.cs
@@ -119,8 +119,8 @@ UNION ALL
             string name = "x";
             var t10 = db.Updateable<Student>().UpdateColumns(it => new Student() { Name =name, SchoolId=updateObj.SchoolId }).Where(it=>it.Id==11).ToSql();
             base.Check(@"UPDATE [Student]  SET
-            [SchoolId] = [@Const0] , [Name] = [@constant1]   WHERE ( [Id] = @Id1 )", new List<SugarParameter>() {
-                           new SugarParameter("@constant1","x"),
+            [SchoolId] = @Const0 , [Name] = @const3   WHERE ( [Id] = @Id1 )", new List<SugarParameter>() {
+                           new SugarParameter("@const3","x"),
                            new SugarParameter("@Const0",18),
                            new SugarParameter("@Id1",11)},
                                t10.Key,
diff --git a/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index d8cd88931..41a0003ec 100644
--- a/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -150,9 +150,9 @@ namespace SqlSugar
             return string.Format(" {0} {1} {2} ", GetTranslationTableName(fieldValue), "AS", GetTranslationColumnName(asName));
         }
 
-        public virtual string GetEqString(string asName, string fieldValue)
+        public virtual string GetEqString(string eqName, string fieldValue)
         {
-            return string.Format(" {2} {1} {0} ", GetTranslationTableName(fieldValue), "=", GetTranslationColumnName(asName));
+            return string.Format(" {0} {1} {2} ", GetTranslationColumnName(eqName), "=", fieldValue);
         }
 
         public virtual string GetAsString(string asName, string fieldValue, string fieldShortName)
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
index ead56f665..1ddebc79c 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
@@ -53,7 +53,7 @@ namespace SqlSugar
                 {
                     base.Expression = item;
                     base.Start();
-                    string parameterName = this.Context.SqlParameterKeyWord + "constant" + i;
+                    string parameterName = this.Context.SqlParameterKeyWord + "const" + this.ContentIndex;
                     parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                     this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
                 }
@@ -73,7 +73,8 @@ namespace SqlSugar
                         base.Expression = item;
                         base.Start();
                         parameter.IsAppendResult();
-                        base.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
+                        string parameterName = this.Context.SqlParameterKeyWord + "const" + +this.ContentIndex; ;
+                        parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
                         base.Context.Result.CurrentParameter = null;
                     }
                 }