diff --git a/src/main/java/com/example/demo/serviceImpl/bean/BeanRechargeServiceImpl.java b/src/main/java/com/example/demo/serviceImpl/bean/BeanRechargeServiceImpl.java
index ff0ffd7..b99ac56 100644
--- a/src/main/java/com/example/demo/serviceImpl/bean/BeanRechargeServiceImpl.java
+++ b/src/main/java/com/example/demo/serviceImpl/bean/BeanRechargeServiceImpl.java
@@ -64,7 +64,10 @@ public class BeanRechargeServiceImpl implements BeanRechargeService {
             if (recharge.getJwcode() == null || recharge.getJwcode().toString().isEmpty()) {
                 return Result.error("精网号不能为空");
             }
-
+            if(recharge.getJwcode()<10000000||recharge.getJwcode()>99999999)
+            {
+                return Result.error("精网号位数小于8位或大于8位");
+            }
             // 验证免费豆和永久豆是否为非负数
             if (recharge.getFreeBean() < 0 || recharge.getPermanentBean() < 0) {
                 return Result.error("免费豆和永久豆不能为负数");