diff --git a/pom.xml b/pom.xml
index 9e9e42d..429f56f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.larksuite.project</groupId>
     <artifactId>oapi-sdk</artifactId>
-    <version>1.0.19</version>
+    <version>1.0.20</version>
     <build>
         <plugins>
             <plugin>
diff --git a/src/main/java/com/lark/project/service/attachment/builder/SpecialUploadAttachmentReqBody.java b/src/main/java/com/lark/project/service/attachment/builder/SpecialUploadAttachmentReqBody.java
index 31ce089..50b23c9 100644
--- a/src/main/java/com/lark/project/service/attachment/builder/SpecialUploadAttachmentReqBody.java
+++ b/src/main/java/com/lark/project/service/attachment/builder/SpecialUploadAttachmentReqBody.java
@@ -19,7 +19,6 @@ public void setFile(File file) {
         this.file = file;
     }
 
-
     public String getMimeType() {
         return mimeType;
     }