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 fbb43f1..1315f18 100644
--- a/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java
+++ b/src/main/java/com/baiyee/adcallback/api/callback/MobileMonitorCallbackAPI.java
@@ -12,6 +12,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import static com.baiyee.adcallback.common.constant.JuliangConstant.IMEI_NULL_TAG;
 import static com.baiyee.adcallback.common.constant.JuliangConstant.IMEI_TAG;
 
 /**
@@ -171,12 +172,12 @@ public class MobileMonitorCallbackAPI {
      */
     private boolean preRuleForReq(BaiduMobileMonitorCallbackRequestVO vo) {
 
-        String imei = vo.getImeiMd5();
+        String imei = vo.getImei();
         if (StrUtil.isBlank(imei)) {
             return Boolean.TRUE;
         }
 
-        if (StrUtil.isNotBlank(imei) && StrUtil.equalsIgnoreCase(IMEI_TAG, imei)) {
+        if (StrUtil.isNotBlank(imei) && StrUtil.equalsIgnoreCase(IMEI_TAG, imei) && StrUtil.equalsIgnoreCase(IMEI_NULL_TAG,imei)) {
             return Boolean.TRUE;
         }
         return Boolean.FALSE;
diff --git a/src/main/java/com/baiyee/adcallback/api/vo/BaiduMobileMonitorCallbackRequestVO.java b/src/main/java/com/baiyee/adcallback/api/vo/BaiduMobileMonitorCallbackRequestVO.java
index 315051f..a3a080f 100644
--- a/src/main/java/com/baiyee/adcallback/api/vo/BaiduMobileMonitorCallbackRequestVO.java
+++ b/src/main/java/com/baiyee/adcallback/api/vo/BaiduMobileMonitorCallbackRequestVO.java
@@ -32,7 +32,7 @@ public class BaiduMobileMonitorCallbackRequestVO extends MobileMonitorCallbackRe
 
     private String idfa;
 
-    private String imeiMd5;
+    private String imei;
 
     private String oaid;
 
diff --git a/src/main/java/com/baiyee/adcallback/common/constant/JuliangConstant.java b/src/main/java/com/baiyee/adcallback/common/constant/JuliangConstant.java
index b505fa7..9b67ca8 100644
--- a/src/main/java/com/baiyee/adcallback/common/constant/JuliangConstant.java
+++ b/src/main/java/com/baiyee/adcallback/common/constant/JuliangConstant.java
@@ -31,5 +31,7 @@ public class JuliangConstant {
 
     public static final String IMEI_TAG = "__IMEI__";
 
+    public static final String IMEI_NULL_TAG = "NULL";
+
 
 }
diff --git a/src/main/java/com/baiyee/adcallback/config/pojo/BdBackdataDTO.java b/src/main/java/com/baiyee/adcallback/config/pojo/BdBackdataDTO.java
index fd1229a..49e9c20 100644
--- a/src/main/java/com/baiyee/adcallback/config/pojo/BdBackdataDTO.java
+++ b/src/main/java/com/baiyee/adcallback/config/pojo/BdBackdataDTO.java
@@ -24,7 +24,7 @@ public class BdBackdataDTO implements Serializable {
 
     private String idfa;
 
-    private String imeiMd5;
+    private String imei;
 
     private String oaid;