diff --git a/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java b/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java
index 1315f18..1c2750c 100644
--- a/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java
+++ b/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java
@@ -173,11 +173,8 @@ public class MobileMonitorCallbackAPI {
     private boolean preRuleForReq(BaiduMobileMonitorCallbackRequestVO vo) {
 
         String imei = vo.getImei();
-        if (StrUtil.isBlank(imei)) {
-            return Boolean.TRUE;
-        }
 
-        if (StrUtil.isNotBlank(imei) && StrUtil.equalsIgnoreCase(IMEI_TAG, imei) && StrUtil.equalsIgnoreCase(IMEI_NULL_TAG,imei)) {
+        if (StrUtil.isBlank(imei) || StrUtil.equalsIgnoreCase(IMEI_TAG, imei) || StrUtil.equalsIgnoreCase(IMEI_NULL_TAG,imei)) {
             return Boolean.TRUE;
         }
         return Boolean.FALSE;
diff --git a/src/test/java/com/baiyee/adcallback/AdCallbackApplicationTests.java b/src/test/java/com/baiyee/adcallback/AdCallbackApplicationTests.java
index 733ecc5..073ae9e 100644
--- a/src/test/java/com/baiyee/adcallback/AdCallbackApplicationTests.java
+++ b/src/test/java/com/baiyee/adcallback/AdCallbackApplicationTests.java
@@ -1,13 +1,38 @@
 package com.baiyee.adcallback;
 
-import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
+import cn.hutool.json.JSONUtil;
 
-@SpringBootTest
-class AdCallbackApplicationTests {
+public class AdCallbackApplicationTests {
+    static class User{
+        private String name;
+        private Integer age;
 
-    @Test
-    void contextLoads() {
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public Integer getAge() {
+            return age;
+        }
+
+        public void setAge(Integer age) {
+            this.age = age;
+        }
     }
 
+    public static void main(String[] args) {
+
+        User user = new User();
+        user.setName("123");
+        user.setAge(0);
+
+
+        System.out.println(JSONUtil.toJsonStr(user));
+    }
+
+
 }