diff --git a/README.md b/README.md
index 28d245340..d53ac64c1 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ private SqlSugarClient GetInstance()
 
 public class Student
 {
-    [SugarColumn(IsPrimaryKey = true, IsIdentity = true]
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
     public int Id { get; set; }
     public int? SchoolId { get; set; }
     public string Name { get; set; }