diff --git a/src/models/spider/CrawlRecord.js b/src/models/spider/CrawlRecord.js
index 6076558..9307f22 100644
--- a/src/models/spider/CrawlRecord.js
+++ b/src/models/spider/CrawlRecord.js
@@ -16,7 +16,7 @@ let CrawlRecordSchema = new Schema({
   lastTry: {type: Date, default: new Date()},
   tryCount: {type: Number, default: 0},
   errCount: {type: Number, default: 0},
-  lastStatus: {type: Boolean, default: false}
+  lastStatus: {type: Boolean}
 }, {
   collection: 'crawl_record',
   timestamps: true