diff --git a/pages/upload/upload.vue b/pages/upload/upload.vue
index 1d1a541..c8cd452 100644
--- a/pages/upload/upload.vue
+++ b/pages/upload/upload.vue
@@ -60,7 +60,7 @@
 										<text class="picker-arrow">›</text>
 									</view>
 								</view>
-								<view class="inline-field">
+								<view class="inline-field isbn-field">
 									<view class="isbn-input-box" style="flex:1;">
 										<input class="isbn-input" v-model="isbn" placeholder="ISBN或扫码" maxlength="13"/>
 										<view class="scan-btn" @click="scanISBN">
@@ -1745,6 +1745,11 @@ export default {
   width: 200rpx;
 }
 
+.inline-field.isbn-field {
+  flex: 1;
+  max-width: 80%;
+}
+
 /* ========== 价格输入 ========== */
 .price-input-box {
   display: flex;