diff --git a/pkg/filesystem/validator.go b/pkg/filesystem/validator.go
index 2a4c1f7..d3751dd 100644
--- a/pkg/filesystem/validator.go
+++ b/pkg/filesystem/validator.go
@@ -39,7 +39,7 @@ func (fs *FileSystem) ValidateLegalName(ctx context.Context, name string) bool {
 
 // ValidateFileSize 验证上传的文件大小是否超出限制
 func (fs *FileSystem) ValidateFileSize(ctx context.Context, size uint64) bool {
-	return size <= fs.User.Policy.MaxSize && size != 0
+	return size <= fs.User.Policy.MaxSize
 }
 
 // ValidateCapacity 验证并扣除用户容量
diff --git a/pkg/filesystem/validator_test.go b/pkg/filesystem/validator_test.go
index 8c0a532..6d9f626 100644
--- a/pkg/filesystem/validator_test.go
+++ b/pkg/filesystem/validator_test.go
@@ -73,7 +73,6 @@ func TestFileSystem_ValidateFileSize(t *testing.T) {
 	asserts.True(fs.ValidateFileSize(ctx, 5))
 	asserts.True(fs.ValidateFileSize(ctx, 10))
 	asserts.False(fs.ValidateFileSize(ctx, 11))
-	asserts.False(fs.ValidateFileSize(ctx, 0))
 }
 
 func TestFileSystem_ValidateExtension(t *testing.T) {