fix null

index.mjs

@@ -169,8 +169,8 @@ async function processPositions() {
   
   const { records, symbol } = await fetchTopPositions()
   
-  if (records.length === 0) {
-    console.log('未获取到数据')
+  if (!records) {
+    console.log('获取数据失败')
     return
   }