diff --git a/OrmTest/ExpressionTest/Method.cs b/OrmTest/ExpressionTest/Method.cs
index a522ca772..540fef942 100644
--- a/OrmTest/ExpressionTest/Method.cs
+++ b/OrmTest/ExpressionTest/Method.cs
@@ -42,8 +42,8 @@ namespace OrmTest.ExpressionTest
             expContext.Resolve();
             var value = expContext.Result.GetString();
             var pars = expContext.Parameters;
-            base.Check(value, pars, "((rtrim(ltrim(@MethodConst0)))  = Name )", new List<SugarParameter>() {
-                new SugarParameter("@MethodConst0","  a")
+            base.Check(value, pars, " (Name like '%'+@MethodConst0+'%') ", new List<SugarParameter>() {
+                new SugarParameter("@MethodConst0","a")
             }, "Contains");
         }
 
diff --git a/SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs b/SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs
index ba68d7ed1..cbcd0176c 100644
--- a/SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs
+++ b/SqlSugar/ExpressionsToSql/Method/DefaultDbMethod.cs
@@ -35,7 +35,7 @@ namespace SqlSugar
         {
             var parameter = model.Args[0];
             var parameter2 = model.Args[1];
-            return string.Format(" {0} like '%'+{1}+'%' ", parameter.Value, parameter2.Value);
+            return string.Format(" ({0} like '%'+{1}+'%') ", parameter.Value, parameter2.Value);
         }
     }
 }
diff --git a/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs b/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
index bb16ae8ea..4cdc99237 100644
--- a/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
+++ b/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
@@ -100,7 +100,7 @@ namespace SqlSugar
 
         protected void AppendValue(ExpressionParameter parameter, bool? isLeft, object value)
         {
-            if (parameter.BaseExpression is BinaryExpression)
+            if (parameter.BaseExpression is BinaryExpression|| parameter.BaseExpression==null)
             {
                 var otherExpression = isLeft == true ? parameter.BaseParameter.RightExpression : parameter.BaseParameter.LeftExpression;
                 if (parameter.Expression is MethodCallExpression)