fix issues

server/db.js

@@ -50,7 +50,7 @@ db.exec(`
     freight REAL DEFAULT 0,
     payment_method TEXT DEFAULT '未指定',
     invoice_type TEXT DEFAULT '无票',
-    status TEXT DEFAULT '待处理',
+    status TEXT DEFAULT '待付款',
     applicant TEXT,
     remarks TEXT DEFAULT '',
     created_at TEXT DEFAULT (datetime('now','localtime')),
@@ -92,4 +92,7 @@ for (const sql of migrations) {
   try { db.exec(sql); } catch (e) { /* 列已存在 */ }
 }
 
+// 统一存量状态值
+try { db.exec("UPDATE purchases SET status = '待付款' WHERE status = '待处理'"); } catch (e) {}
+
 module.exports = db;