diff --git a/backend/src/main/java/com/zl/mjga/controller/LibraryController.java b/backend/src/main/java/com/zl/mjga/controller/LibraryController.java
index b8e2b4d..5bcac8b 100644
--- a/backend/src/main/java/com/zl/mjga/controller/LibraryController.java
+++ b/backend/src/main/java/com/zl/mjga/controller/LibraryController.java
@@ -31,6 +31,7 @@ public class LibraryController {
     Library library = new Library();
     library.setId(libraryUpsertDto.id());
     library.setName(libraryUpsertDto.name());
+    library.setDesc(libraryUpsertDto.desc());
     libraryRepository.merge(library);
   }
 
diff --git a/backend/src/main/java/com/zl/mjga/dto/library/LibraryUpsertDto.java b/backend/src/main/java/com/zl/mjga/dto/library/LibraryUpsertDto.java
index 67636dc..e5c88f6 100644
--- a/backend/src/main/java/com/zl/mjga/dto/library/LibraryUpsertDto.java
+++ b/backend/src/main/java/com/zl/mjga/dto/library/LibraryUpsertDto.java
@@ -2,4 +2,4 @@ package com.zl.mjga.dto.library;
 
 import jakarta.validation.constraints.NotEmpty;
 
-public record LibraryUpsertDto(Long id, @NotEmpty String name) {}
+public record LibraryUpsertDto(Long id, @NotEmpty String name, String desc) {}
diff --git a/backend/src/main/resources/db/migration/V1_0_3__init_library.sql b/backend/src/main/resources/db/migration/V1_0_3__init_library.sql
index e1cdde8..a56cb32 100644
--- a/backend/src/main/resources/db/migration/V1_0_3__init_library.sql
+++ b/backend/src/main/resources/db/migration/V1_0_3__init_library.sql
@@ -1,6 +1,7 @@
 CREATE TABLE mjga.library (
                               id BIGSERIAL PRIMARY KEY,
                               name VARCHAR NOT NULL UNIQUE,
+                              desc VARCHAR,
                               data_count INTEGER NOT NULL DEFAULT 0,
                               create_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 );