diff --git a/java-chassis-reference/en_US/general-development/file-download.md b/java-chassis-reference/en_US/general-development/file-download.md
index 56ede96..494f2cb 100644
--- a/java-chassis-reference/en_US/general-development/file-download.md
+++ b/java-chassis-reference/en_US/general-development/file-download.md
@@ -50,7 +50,7 @@
   return ResponseEntity
       .ok()
       .header(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN_VALUE)
-      .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename= resource.txt")
+      .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=resource.txt")
       .body(resource);
 }
 ```
@@ -64,7 +64,7 @@
 return ResponseEntity
     .ok()
     .header(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN_VALUE)
-    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename= resource.txt")
+    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=resource.txt")
     .body(stream);
 ```
 
diff --git a/java-chassis-reference/zh_CN/general-development/file-download.md b/java-chassis-reference/zh_CN/general-development/file-download.md
index 4a313d5..947ffb5 100644
--- a/java-chassis-reference/zh_CN/general-development/file-download.md
+++ b/java-chassis-reference/zh_CN/general-development/file-download.md
@@ -50,7 +50,7 @@
   return ResponseEntity
       .ok()
       .header(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN_VALUE)
-      .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename= resource.txt")
+      .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=resource.txt")
       .body(resource);
 }
 ```
@@ -64,7 +64,7 @@
 return ResponseEntity
     .ok()
     .header(HttpHeaders.CONTENT_TYPE, MediaType.TEXT_PLAIN_VALUE)
-    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename= resource.txt")
+    .header(HttpHeaders.CONTENT_DISPOSITION, "attachment;filename=resource.txt")
     .body(stream);
 ```