diff --git a/add_is_on_sale_column.js b/add_is_on_sale_column.js
new file mode 100644
index 0000000..254001f
--- /dev/null
+++ b/add_is_on_sale_column.js
@@ -0,0 +1,33 @@
+const mysql = require('mysql2/promise')
+require('dotenv').config()
+
+async function main() {
+  const config = {
+    host: process.env.DB_HOST || 'localhost',
+    port: parseInt(process.env.DB_PORT || '3306'),
+    user: process.env.DB_USER || 'root',
+    password: process.env.DB_PASSWORD || '',
+    database: process.env.DB_NAME || 'miniprogram'
+  }
+
+  const connection = await mysql.createConnection(config)
+  
+  try {
+    const [columns] = await connection.execute("DESCRIBE goods")
+    const columnNames = columns.map(col => col.Field)
+    
+    console.log('当前 goods 表字段:', columnNames)
+    
+    if (!columnNames.includes('is_on_sale')) {
+      console.log('缺少 is_on_sale 字段，正在添加...')
+      await connection.execute('ALTER TABLE goods ADD COLUMN is_on_sale tinyint(1) DEFAULT 1 COMMENT "是否上架 1-上架 0-下架"')
+      console.log('成功添加 is_on_sale 字段')
+    } else {
+      console.log('is_on_sale 字段已存在')
+    }
+  } finally {
+    await connection.end()
+  }
+}
+
+main().catch(console.error)
\ No newline at end of file
diff --git a/controllers/stats.js b/controllers/stats.js
index 2515cc9..660f2c5 100644
--- a/controllers/stats.js
+++ b/controllers/stats.js
@@ -17,7 +17,7 @@ async function getTodayStats(ctx) {
 
   const stockThreshold = parseInt(process.env.STOCK_WARN_THRESHOLD) || 10
   const lowStockResult = await query(
-    'SELECT COUNT(*) as lowStockCount FROM goods WHERE stock < ? AND status != 0',
+    'SELECT COUNT(*) as lowStockCount FROM goods WHERE stock < ? AND status = 1',
     [stockThreshold]
   )