diff --git a/buildpackage/src/main/java/com/hzya/frame/plugin/lets/dingtalk/callback/service/impl/CallBackServiceImpl.java b/buildpackage/src/main/java/com/hzya/frame/plugin/lets/dingtalk/callback/service/impl/CallBackServiceImpl.java
index 325adbbe..b36e66b6 100644
--- a/buildpackage/src/main/java/com/hzya/frame/plugin/lets/dingtalk/callback/service/impl/CallBackServiceImpl.java
+++ b/buildpackage/src/main/java/com/hzya/frame/plugin/lets/dingtalk/callback/service/impl/CallBackServiceImpl.java
@@ -38,6 +38,7 @@ import java.util.stream.Collectors;
 public class CallBackServiceImpl implements CallBackService {
 
     protected static Logger logger = LogManager.getLogger(CallBackServiceImpl.class);
+    public String dingId="";
 
     @Autowired
     private IDingU8cBillDao dingU8cBillDao;
@@ -77,21 +78,26 @@ public class CallBackServiceImpl implements CallBackService {
 
             String eventType = eventJson.getString("EventType");
 
-            // 4. 根据EventType分类处理
-            if (eventJson.getString("processCode") != null) {
-                switch (eventJson.getString("processCode")) {
-                    case "PROC-EC6B5BD2-DE3C-456E-9591-6F7B377E39E4":
-                        logger.info("采购付款申请（新） -> PROC-EC6B5BD2-DE3C-456E-9591-6F7B377E39E4");
-                        outSourceBill(eventJson);//采购付款申请（新）
-                        break;
-                    case "PROC-285CCF2B-524F-4055-BE62-FC31F490C654":
-                        logger.info("采购付款申请（店群专用） -> PROC-285CCF2B-524F-4055-BE62-FC31F490C654");
-                        agencyBill(eventJson);//采购付款申请（店群专用）
-                        break;
-                    case "PROC-AC33FC85-FB44-49FC-B926-1D966AE3BBD2":
-                        logger.info("采购付款申请（新） -> PROC-AC33FC85-FB44-49FC-B926-1D966AE3BBD2");
-                        transferBill(eventJson);//特殊业务处理（新）
-                        break;
+            //防止钉钉回调
+            if(!eventJson.getString("processInstanceId").equals(dingId)) {
+                dingId = eventJson.getString("processInstanceId");
+
+                // 4. 根据EventType分类处理
+                if (eventJson.getString("processCode") != null) {
+                    switch (eventJson.getString("processCode")) {
+                        case "PROC-EC6B5BD2-DE3C-456E-9591-6F7B377E39E4":
+                            logger.info("采购付款申请（新） -> PROC-EC6B5BD2-DE3C-456E-9591-6F7B377E39E4");
+                            outSourceBill(eventJson);//采购付款申请（新）
+                            break;
+                        case "PROC-285CCF2B-524F-4055-BE62-FC31F490C654":
+                            logger.info("采购付款申请（店群专用） -> PROC-285CCF2B-524F-4055-BE62-FC31F490C654");
+                            agencyBill(eventJson);//采购付款申请（店群专用）
+                            break;
+                        case "PROC-AC33FC85-FB44-49FC-B926-1D966AE3BBD2":
+                            logger.info("采购付款申请（新） -> PROC-AC33FC85-FB44-49FC-B926-1D966AE3BBD2");
+                            transferBill(eventJson);//特殊业务处理（新）
+                            break;
+                    }
                 }
             }
 
@@ -520,7 +526,7 @@ public class CallBackServiceImpl implements CallBackService {
 
             //上传附件,获取附件的表单，转base64，上传u8c
             List<FileModuleVO> fileModuleVOList = JSONUtil.toList(fjJson, FileModuleVO.class);
-            List<SysFileVO> sysFileVOS = fileUtil.DingFileTransBase64(fileModuleVOList, processInstanceId, token);
+            List<SysFileVO> sysFileVOS = fileUtil.DingFileTransBase64(fileModuleVOList, token, processInstanceId);
 
             for (SysFileVO sysFileVO : sysFileVOS) {
                 //上传u8c单据