diff --git a/server/src/db/init.ts b/server/src/db/init.ts
index 21e0e44..f7be8ee 100644
--- a/server/src/db/init.ts
+++ b/server/src/db/init.ts
@@ -214,7 +214,7 @@ async function runMigrations(conn: mysql.Connection) {
         content TEXT NOT NULL COMMENT '反馈内容',
         contact VARCHAR(100) DEFAULT '' COMMENT '联系方式',
         status ENUM('pending', 'processed', 'ignored') DEFAULT 'pending' COMMENT '处理状态',
-        admin_reply TEXT DEFAULT '' COMMENT '管理员回复',
+        admin_reply TEXT COMMENT '管理员回复',
         created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
         updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
         INDEX idx_user (user_id),
diff --git a/server/src/db/schema.sql b/server/src/db/schema.sql
index 116dd32..65b585e 100644
--- a/server/src/db/schema.sql
+++ b/server/src/db/schema.sql
@@ -123,7 +123,7 @@ CREATE TABLE IF NOT EXISTS feedbacks (
   content TEXT NOT NULL COMMENT '反馈内容',
   contact VARCHAR(100) DEFAULT '' COMMENT '联系方式',
   status ENUM('pending', 'processed', 'ignored') DEFAULT 'pending' COMMENT '处理状态',
-  admin_reply TEXT DEFAULT '' COMMENT '管理员回复',
+  admin_reply TEXT COMMENT '管理员回复',
   created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
   updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   INDEX idx_user (user_id),