diff --git a/src/main/java/run/halo/app/model/entity/BasePost.java b/src/main/java/run/halo/app/model/entity/BasePost.java
index f607cbfdb..89b1636e4 100644
--- a/src/main/java/run/halo/app/model/entity/BasePost.java
+++ b/src/main/java/run/halo/app/model/entity/BasePost.java
@@ -48,7 +48,7 @@ public class BasePost extends BaseEntity {
     /**
      * Original content,not format.
      */
-    @Column(name = "original_content", columnDefinition = "text not null")
+    @Column(name = "original_content", columnDefinition = "longtext not null")
     private String originalContent;
 
     /**
@@ -56,7 +56,7 @@ public class BasePost extends BaseEntity {
      *
      * @see run.halo.app.utils.MarkdownUtils#renderHtml(String)
      */
-    @Column(name = "format_content", columnDefinition = "text not null")
+    @Column(name = "format_content", columnDefinition = "longtext not null")
     private String formatContent;
 
     /**