diff --git a/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs b/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs
index e4916a73a..45f8111ef 100644
--- a/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs
+++ b/Src/Asp.Net/SqlServerTest/BugTest/Bug1.cs
@@ -79,6 +79,11 @@ namespace OrmTest.BugTest
                b.Id == vb.BrandId)
 .          Where((b) => b.BrandType == 1).Select((b) => b).ToList();
 
+
+            var query = GetInstance().Queryable<Student>().Select(o => o);
+                        
+            var result = query.ToList();
+
         }
 
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index 2ed0e0935..c9e51d298 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -395,8 +395,15 @@ namespace SqlSugar
         {
             var expression = this.SelectValue as Expression;
             var result = GetExpressionValue(expression, this.SelectType).GetResultString();
-            this.SelectCacheKey = result;
-            return result;
+            if (result.Contains(".*") && this.IsSingle())
+            {
+                return "*";
+            }
+            else
+            {
+                this.SelectCacheKey = result;
+                return result;
+            }
         }
         public virtual string GetSelectValueByString()
         {