diff --git a/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java b/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
index dec0321..a0df9e6 100644
--- a/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
+++ b/src/main/java/cn/stock/market/infrastructure/job/MoneyScraper.java
@@ -247,7 +247,7 @@ public class MoneyScraper {
 
                 if (soup2 != null) {
                     Element comIdInput = soup2.selectFirst("input[id=ap_sc_id]");
-                    String companyCodeId = null;
+                    String companyCodeId = "";
                     if (comIdInput != null) {
                         companyCodeId = comIdInput.val();
                         log.info(Thread.currentThread().getName()+",the stockName: " + textContent + ", THE input id: " + companyCodeId);