diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/controller/WpsController.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/controller/WpsController.java
index 3ed0db0..1f07e6c 100644
--- a/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/controller/WpsController.java
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/controller/WpsController.java
@@ -216,13 +216,13 @@ public class WpsController {
 
 		if(optional!=null&&optional.get()!=null){
 			AttachmentDetail detail = optional.get();
-
 			List<AttachmentEntity> entityList = detail.get(fileId);
-
-			Optional<byte[]> optional1 = attachmentClient.downloadFileByObjectId(entityList.get(0).getId());
-			fileLength = String.valueOf(optional1.get().length);
-			fileName = entityList.get(0).getFilename();
-			buf = optional1.get();
+			if(entityList!=null&&entityList.size()>0) {
+				Optional<byte[]> optional1 = attachmentClient.downloadFileByObjectId(entityList.get(0).getId());
+				fileLength = String.valueOf(optional1.get().length);
+				fileName = entityList.get(0).getFilename();
+				buf = optional1.get();
+			}
 		}
 
 		try{
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/service/impl/WpsServiceImpl.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/service/impl/WpsServiceImpl.java
index 6081d65..05fc71e 100644
--- a/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/service/impl/WpsServiceImpl.java
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/wps/service/impl/WpsServiceImpl.java
@@ -652,13 +652,12 @@ public class WpsServiceImpl implements WpsService {
         Optional<AttachmentDetail> optional = attachmentClient.findByBusinessId(businessIdList);
 
         if(optional!=null&&optional.get()!=null) {
-
             AttachmentDetail detail = optional.get();
-
             List<AttachmentEntity> entityList = detail.get(id);
-
-            Optional<byte[]> optional1 = attachmentClient.downloadFileByObjectId(entityList.get(0).getId());
-            return optional1.get();
+            if(entityList!=null&&entityList.size()>0) {
+                Optional<byte[]> optional1 = attachmentClient.downloadFileByObjectId(entityList.get(0).getId());
+                return optional1.get();
+            }
         }
         return new byte[0];
     }