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 4cfef93..14a34b7 100644
--- a/backend/src/main/java/com/zl/mjga/controller/LibraryController.java
+++ b/backend/src/main/java/com/zl/mjga/controller/LibraryController.java
@@ -50,7 +50,7 @@ public class LibraryController {
     Library library = new Library();
     library.setId(libraryUpsertDto.id());
     library.setName(libraryUpsertDto.name());
-    library.setDesc(libraryUpsertDto.desc());
+    library.setDescription(libraryUpsertDto.description());
     libraryRepository.merge(library);
   }
 
diff --git a/backend/src/main/java/com/zl/mjga/dto/knowledge/LibraryUpsertDto.java b/backend/src/main/java/com/zl/mjga/dto/knowledge/LibraryUpsertDto.java
index 3ddfd77..f336a03 100644
--- a/backend/src/main/java/com/zl/mjga/dto/knowledge/LibraryUpsertDto.java
+++ b/backend/src/main/java/com/zl/mjga/dto/knowledge/LibraryUpsertDto.java
@@ -2,4 +2,4 @@ package com.zl.mjga.dto.knowledge;
 
 import jakarta.validation.constraints.NotEmpty;
 
-public record LibraryUpsertDto(Long id, @NotEmpty String name, String desc) {}
+public record LibraryUpsertDto(Long id, @NotEmpty String name, String description) {}
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 9a2ffd3..166a832 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
@@ -1,7 +1,7 @@
 CREATE TABLE mjga.library (
                               id BIGSERIAL PRIMARY KEY,
                               name VARCHAR NOT NULL UNIQUE,
-                              desc VARCHAR,
+                              description VARCHAR,
                               create_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 );