indexDB在真机调试时正常，但是在打包后不能使用？求大神指导

//保存数据
function saveData(dbName, storeName, data) {
var idbRequest = indexedDB.open(dbName, "1");
idbRequest.onerror = function(e) {};
idbRequest.onsuccess = function(e) {
var db = idbRequest.result;
var transaction = db.transaction(storeName, 'readwrite'); //需先创建事务
var store = transaction.objectStore(storeName); //访问事务中的objectStore
data.forEach(function(item) {
store.add(item); //保存数据
});
}
idbRequest.onupgradeneeded = function(e) {
var db = e.target.result;
if (!db.objectStoreNames.contains(storeName)) {
db.createObjectStore(storeName, {
keyPath: "id"
});
}
};
}