diff --git a/jsowell-pile/src/main/java/com/jsowell/pile/util/MerchantUtils.java b/jsowell-pile/src/main/java/com/jsowell/pile/util/MerchantUtils.java
index 9c910c24d..3a38970df 100644
--- a/jsowell-pile/src/main/java/com/jsowell/pile/util/MerchantUtils.java
+++ b/jsowell-pile/src/main/java/com/jsowell/pile/util/MerchantUtils.java
@@ -21,6 +21,11 @@ public class MerchantUtils {
      * @return
      */
     public static String getOperatorID(String organizationCode) {
-        return organizationCode.substring(9, 18);
+        return organizationCode.substring(8, 17);
+    }
+
+    public static void main(String[] args) {
+        String organizationCode = "91310118MA1JLFUU81";
+        System.out.println(getOperatorID(organizationCode));
     }
 }