diff --git a/packages/server/src/entities/document.entity.ts b/packages/server/src/entities/document.entity.ts
index c1e86d4d..eb7bf502 100644
--- a/packages/server/src/entities/document.entity.ts
+++ b/packages/server/src/entities/document.entity.ts
@@ -22,7 +22,7 @@ export class DocumentEntity {
   @Column({ type: 'varchar', default: '未命名文档', comment: '文档标题' })
   public title: string;
 
-  @Column({ type: 'longblob', comment: '文档内容' })
+  @Column({ type: 'longtext', comment: '文档内容' })
   public content: string;
 
   @Column({ type: 'longblob', comment: '文档内容' })
diff --git a/packages/server/src/entities/template.entity.ts b/packages/server/src/entities/template.entity.ts
index 56c62f2e..77ee93e2 100644
--- a/packages/server/src/entities/template.entity.ts
+++ b/packages/server/src/entities/template.entity.ts
@@ -14,7 +14,7 @@ export class TemplateEntity {
   @Column({ type: 'varchar', length: 200, comment: '标题' })
   public title: string;
 
-  @Column({ type: 'longblob', comment: '文档内容' })
+  @Column({ type: 'longtext', comment: '文档内容' })
   public content: string;
 
   @Column({ type: 'longblob', comment: '文档内容' })