diff --git a/epmet-module/gov-project/gov-project-client/src/main/java/com/epmet/dto/result/PublicAndInternalFileResultDTO.java b/epmet-module/gov-project/gov-project-client/src/main/java/com/epmet/dto/result/PublicAndInternalFileResultDTO.java
index b51747cc3b..1011a51487 100644
--- a/epmet-module/gov-project/gov-project-client/src/main/java/com/epmet/dto/result/PublicAndInternalFileResultDTO.java
+++ b/epmet-module/gov-project/gov-project-client/src/main/java/com/epmet/dto/result/PublicAndInternalFileResultDTO.java
@@ -42,7 +42,7 @@ public class PublicAndInternalFileResultDTO implements Serializable {
     /**
      * 语音或视频文件时长，单位秒
      */
-    private Long duration;
+    private Integer duration;
 
     @JsonIgnore
     private String processId;
@@ -56,6 +56,6 @@ public class PublicAndInternalFileResultDTO implements Serializable {
         this.type = "";
         this.format = "";
         this.size = 0;
-        this.duration = 0L;
+        this.duration = 0;
     }
 }
diff --git a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectProcessAttachmentDao.xml b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectProcessAttachmentDao.xml
index 6effe659a1..93fc899263 100644
--- a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectProcessAttachmentDao.xml
+++ b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/ProjectProcessAttachmentDao.xml
@@ -10,8 +10,8 @@
             ATTACHMENT_URL AS url,
             ATTACHMENT_TYPE AS type,
             ATTACHMENT_FORMAT AS format,
-            ATTACHMENT_SIZE AS size,
-            DURATION,
+            IFNULL(ATTACHMENT_SIZE,0) AS size,
+            IFNULL(DURATION,0) AS duration,
             PROCESS_ID,
             FILE_PLACE
         FROM project_process_attachment