diff --git a/handbook/docs/dbcontext-repository.mdx b/handbook/docs/dbcontext-repository.mdx
index 26c6df8273c7664f79cd8a0dcce083eb670c813e..a5913d8bf747fcd6f16272b22e548870fcdd49ba 100644
--- a/handbook/docs/dbcontext-repository.mdx
+++ b/handbook/docs/dbcontext-repository.mdx
@@ -147,7 +147,7 @@ var userRepository = personRepository.Change<User>();
 var readRepository = personRepository.Constraint<IReadableRepository<User>>();
 
 // 只写仓储
-var readRepository = personRepository.Constraint<IWritableRepository<User>>();
+var writeRepository = personRepository.Constraint<IWritableRepository<User>>();
 ```
 
 :::tip 小知识