diff --git a/SqlServerTest/UnitTest/ExpressionTest/Field.cs b/SqlServerTest/UnitTest/ExpressionTest/Field.cs
index 583a00319..9f7384f0e 100644
--- a/SqlServerTest/UnitTest/ExpressionTest/Field.cs
+++ b/SqlServerTest/UnitTest/ExpressionTest/Field.cs
@@ -32,7 +32,7 @@ namespace OrmTest.UnitTest
             ExpressionContext expContext = GetContext();
             expContext.Resolve(exp, ResolveExpressType.FieldSingle);
             var selectorValue = expContext.Result.GetString();
-            Check(selectorValue, null, expContext.GetTranslationColumnName("Name"), null, "FieldSingle");
+            Check(selectorValue, null, expContext.GetTranslationColumnName("Name"), null, "FieldSingle error");
         }
         private void FieldMultiple()
         {
@@ -40,7 +40,7 @@ namespace OrmTest.UnitTest
             ExpressionContext expContext = GetContext();
             expContext.Resolve(exp, ResolveExpressType.FieldMultiple);
             var selectorValue = expContext.Result.GetString();
-            Check(selectorValue, null, expContext.GetTranslationColumnName("it.Name"), null, "FieldMultiple");
+            Check(selectorValue, null, expContext.GetTranslationColumnName("it.Name"), null, "FieldMultiple error");
         }
 
         public ExpressionContext GetContext()
diff --git a/SqlServerTest/UnitTest/ExpressionTest/Method.cs b/SqlServerTest/UnitTest/ExpressionTest/Method.cs
index 0e180527d..1e0755e09 100644
--- a/SqlServerTest/UnitTest/ExpressionTest/Method.cs
+++ b/SqlServerTest/UnitTest/ExpressionTest/Method.cs
@@ -66,7 +66,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(LEN(@MethodConst0) > @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","aaaa"),new SugarParameter("@Const1",1)
-            }, "Length");
+            }, "Length error");
         }
 
         private void Replace()
@@ -79,7 +79,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(REPLACE(@MethodConst0,@MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","aaaa"),   new SugarParameter("@MethodConst1","a") ,   new SugarParameter("@MethodConst2","1"),new SugarParameter("@Const3","a")
-            }, "Replace");
+            }, "Replace error");
         }
 
         private void Substring()
@@ -92,7 +92,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(SUBSTRING(@MethodConst0,1 + @MethodConst1,@MethodConst2) = @Const3 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","aaaa"),   new SugarParameter("@MethodConst1",0) ,   new SugarParameter("@MethodConst2",2),new SugarParameter("@Const3","a")
-            }, "Substring");
+            }, "Substring error");
         }
 
         private void ToBool()
@@ -105,7 +105,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS BIT) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","true"),new SugarParameter("@Const1",(bool)true)
-            }, "ToBool");
+            }, "ToBool error");
         }
 
         private void ToDouble()
@@ -118,7 +118,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS FLOAT) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","2"),new SugarParameter("@Const1",(Double)2)
-            }, "ToDouble");
+            }, "ToDouble error");
         }
 
         private void ToGuid()
@@ -131,7 +131,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS UNIQUEIDENTIFIER) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","A94027A3-476E-478D-8228-F4054394B874"),new SugarParameter("@Const1",x2)
-            }, "ToGuid");
+            }, "ToGuid error");
         }
 
         private void ToDecimal()
@@ -144,7 +144,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS MONEY) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","22"),new SugarParameter("@Const1",(decimal)1)
-            }, "ToDecimal");
+            }, "ToDecimal error");
         }
 
         private void Tostring()
@@ -157,7 +157,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS NVARCHAR(MAX)) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","2015-1-1"),new SugarParameter("@Const1","a")
-            }, "Tostring");
+            }, "Tostring error");
         }
 
         private void ToDate()
@@ -170,7 +170,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS DATETIME) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","2015-1-1"),new SugarParameter("@Const1",x2)
-            }, "ToDate");
+            }, "ToDate error");
         }
 
         private void ToInt64()
@@ -183,7 +183,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS BIGINT) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","3"),new SugarParameter("@Const1",(Int64)1)
-            }, "ToInt64");
+            }, "ToInt64 error");
         }
 
         private void ToInt32()
@@ -196,7 +196,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(CAST(@MethodConst0 AS INT) = @Const1 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","3"),new SugarParameter("@Const1",1)
-            }, "ToInt32");
+            }, "ToInt32 error");
         }
 
         private void DateValue()
@@ -209,7 +209,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ((@MethodConst1(@MethodConst0)) = @Const2 ) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",DateType.Year),new SugarParameter("@Const2",1)
-            }, "DateValue");
+            }, "DateValue error");
         }
 
         private void StartsWith()
@@ -221,7 +221,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ([Name] like @MethodConst0+'%') ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
-            }, "StartsWith");
+            }, "StartsWith error");
         }
         private void EndsWith()
         {
@@ -243,7 +243,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ([Name] BETWEEN @MethodConst0 AND @MethodConst1) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",1),new SugarParameter("@MethodConst1",2),
-            }, "Between");
+            }, "Between error");
         }
 
         private void DateAddByType()
@@ -257,7 +257,7 @@ namespace OrmTest.UnitTest
             base.Check(value, pars, "((DATEADD(@MethodConst2,@MethodConst1,@MethodConst0)) = @Const3 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",11),new SugarParameter("@Const3",x2),
                 new SugarParameter("@MethodConst2",DateType.Millisecond)
-            }, "DateAddByType");
+            }, "DateAddByType error");
         }
         private void DateAddDay()
         {
@@ -269,7 +269,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "((DATEADD(day,@MethodConst1,@MethodConst0)) = @Const2 )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",1),new SugarParameter("@Const2",x2)
-            }, "DateIsSameByType");
+            }, "DateIsSameByType error");
         }
 
         private void DateIsSameByType()
@@ -283,7 +283,7 @@ namespace OrmTest.UnitTest
             base.Check(value, pars, " (DATEDIFF(@MethodConst2,@MethodConst0,@MethodConst1)=0) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",x2),
                 new SugarParameter("@MethodConst2",DateType.Millisecond)
-            }, "DateIsSameByType");
+            }, "DateIsSameByType error");
         }
         private void DateIsSameByDay()
         {
@@ -295,7 +295,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(DATEDIFF(day,@MethodConst0,@MethodConst1)=0) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0",x2),new SugarParameter("@MethodConst1",x2)
-            }, "DateIsSameDay");
+            }, "DateIsSameDay error");
         }
 
         private void Equals()
@@ -307,7 +307,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ([Name] = @MethodConst0) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
-            }, "Equals1");
+            }, "Equals1 error");
 
 
             Expression<Func<Student, bool>> exp2 = it => NBORM.Equals("a",it.Name);
@@ -317,7 +317,7 @@ namespace OrmTest.UnitTest
             var pars2 = expContext2.Parameters;
             base.Check(value2, pars2, " (@MethodConst0 = [Name]) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
-            }, "Equals2");
+            }, "Equals2 error");
         }
         private void Equals_2()
         {
@@ -328,7 +328,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ([Name] = [Name]) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
-            }, "Equals1");
+            }, "Equals1 error");
 
 
             Expression<Func<Student, bool>> exp2 = it => NBORM.Equals("a", "a2");
@@ -338,7 +338,7 @@ namespace OrmTest.UnitTest
             var pars2 = expContext2.Parameters;
             base.Check(value2, pars2, " (@MethodConst0 = @MethodConst1) ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a"),new SugarParameter("@MethodConst1","a2")
-            }, "Equals2");
+            }, "Equals2 error");
         }
 
         private void Contains()
@@ -350,7 +350,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, " ([Name] like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","a")
-            }, "Contains");
+            }, "Contains error");
         }
 
         private void ContainsArray()
@@ -361,7 +361,7 @@ namespace OrmTest.UnitTest
             expContext.Resolve(exp, ResolveExpressType.WhereSingle);
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, null, "  ([Name] IN ('1','2')) ",null, "Contains2");
+            base.Check(value, null, "  ([Name] IN ('1','2')) ",null, "Contains2 error");
         }
 
         private void Trim()
@@ -373,7 +373,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "((rtrim(ltrim(@MethodConst0))) = [Name] )", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst0","  a")
-            }, "Trim");
+            }, "Trim error");
         }
 
         private void ToUpper()
@@ -385,7 +385,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "( @Const0 = (UPPER([Id])) )", new List<SugarParameter>() {
                 new SugarParameter("@Const0","a")
-            }, "ToUpper");
+            }, "ToUpper error");
         }
         private void ToLower()
         {
@@ -396,7 +396,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "( @Const0 = (LOWER([Id])) )", new List<SugarParameter>() {
                 new SugarParameter("@Const0","a")
-            }, "ToLower");
+            }, "ToLower error");
         }
 
         #region StringIsNullOrEmpty
@@ -409,7 +409,7 @@ namespace OrmTest.UnitTest
             var pars = expContext.Parameters;
             base.Check(value, pars, "(( [Id] > @Id0 ) OR ( [Id]='' OR [Id] IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@Id0",2)
-            }, "StringIsNullOrEmpty");
+            }, "StringIsNullOrEmpty error");
         }
         private void StringIsNullOrEmpty2()
         {
@@ -421,7 +421,7 @@ namespace OrmTest.UnitTest
             base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1",true),
                 new SugarParameter("@Id0",2)
-            }, "StringIsNullOrEmpty2");
+            }, "StringIsNullOrEmpty2 error");
         }
         private void StringIsNullOrEmpty3()
         {
@@ -434,7 +434,7 @@ namespace OrmTest.UnitTest
             base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1",1),
                 new SugarParameter("@Id0",2)
-            }, "StringIsNullOrEmpty3");
+            }, "StringIsNullOrEmpty3 error");
         }
         private void StringIsNullOrEmpty4()
         {
@@ -447,7 +447,7 @@ namespace OrmTest.UnitTest
             base.Check(value, pars, "(( @Id0 = [Id] ) OR ( @MethodConst1='' OR @MethodConst1 IS NULL ))", new List<SugarParameter>() {
                 new SugarParameter("@MethodConst1","xx"),
                 new SugarParameter("@Id0",2)
-            }, "StringIsNullOrEmpty4");
+            }, "StringIsNullOrEmpty4 error");
         } 
         #endregion
     }