diff --git a/pages/upload/upload.vue b/pages/upload/upload.vue
index f0cb4e7..2276db3 100644
--- a/pages/upload/upload.vue
+++ b/pages/upload/upload.vue
@@ -2795,9 +2795,12 @@ export default {
 								if (bookCode.length === 13 && bookCode.startsWith('978')) {
 									this.noIsbnIsbn = bookCode
 									this.noIsbnUnifyIsbn = ''
+								} else if (bookCode.length === 10 && /^\d{9}[\dXx]$/i.test(bookCode)) {
+									// 10位书号 → 转为13位ISBN
+									this.noIsbnIsbn = this.convertIsbn10To13(bookCode)
+									this.noIsbnUnifyIsbn = ''
 								} else {
 									this.noIsbnUnifyIsbn = texts.书号
-									this.noIsbnIsbn = '678' + String(Date.now()).slice(-10)
 								}
 							}
 							if (texts.字数) this.noIsbnWordCount = this.processNoIsbnWordage(texts.字数)