diff --git a/file-service/src/main/java/com/xuqm/file/entity/FileEntity.java b/file-service/src/main/java/com/xuqm/file/entity/FileEntity.java
index bd143f9..100952d 100644
--- a/file-service/src/main/java/com/xuqm/file/entity/FileEntity.java
+++ b/file-service/src/main/java/com/xuqm/file/entity/FileEntity.java
@@ -46,7 +46,7 @@ public class FileEntity {
      * services (e.g. update-service) for files that must stay downloadable indefinitely,
      * such as APK packages, even if nobody re-downloads them for a long time.
      */
-    @Column(name = "pinned", nullable = false)
+    @Column(name = "pinned", nullable = false, columnDefinition = "TINYINT(1) NOT NULL DEFAULT 0")
     private boolean pinned;
 
     public String getId() { return id; }
diff --git a/file-service/src/main/resources/db/migration/V2__add_pinned.sql b/file-service/src/main/resources/db/migration/V2__add_pinned.sql
new file mode 100644
index 0000000..e08c684
--- /dev/null
+++ b/file-service/src/main/resources/db/migration/V2__add_pinned.sql
@@ -0,0 +1,2 @@
+ALTER TABLE file_record
+    ADD COLUMN pinned TINYINT(1) NOT NULL DEFAULT 0;