diff --git a/web/api/schema.sql b/web/api/schema.sql
index 6918b37..5854209 100644
--- a/web/api/schema.sql
+++ b/web/api/schema.sql
@@ -27,7 +27,7 @@ CREATE TABLE `messages`
 	`ack`                TINYINT(1)      NOT NULL   DEFAULT 0,
 
 	`title`              VARCHAR(256)    NOT NULL,
-	`content`            VARCHAR(12288)      NULL,
+	`content`            LONGTEXT            NULL,
 	`priority`           INT(11)         NOT NULL,
 	`sendtime`           BIGINT UNSIGNED NOT NULL,