v1.0.16

src/main/java/com/imyeyu/api/modules/gao/service/implement/GaoCustomerServiceImplement.java

@@ -377,7 +377,7 @@ public class GaoCustomerServiceImplement extends AbstractEntityService<GaoCustom
 	}
 
 	private void changeInvitedCount(String customerId, long delta) {
-		if (delta == 0) {
+		if (TimiJava.isEmpty(customerId) || delta == 0) {
 			return;
 		}
 		GaoCustomer customer = get(customerId);