diff --git a/templates/order_detail.html b/templates/order_detail.html
index cfb1101..bf039c1 100644
--- a/templates/order_detail.html
+++ b/templates/order_detail.html
@@ -33,10 +33,10 @@
         <td class="num">
           {% if r.posted %}
             <div style="margin-bottom:3px"><span class="badge ok" title="已生成入库流水, 可直接修改后保存/确认">已调入</span></div>
-            <input name="alloc_{{ r.m.id }}" type="number" step="0.01" min="0"
+            <input name="alloc_{{ r.m.id }}" type="text" inputmode="decimal"
                    value="{{ '%.2f'|format(r.alloc) }}" style="width:96px">
           {% else %}
-            <input name="alloc_{{ r.m.id }}" type="number" step="0.01" min="0"
+            <input name="alloc_{{ r.m.id }}" type="text" inputmode="decimal"
                    value="{{ '%.2f'|format(r.alloc) if r.alloc else '' }}"
                    placeholder="{{ '%.2f'|format(r.need) }}" style="width:96px">
           {% endif %}
@@ -88,4 +88,28 @@
 {% else %}
 <p class="flash ok">该订单已领料出库。</p>
 {% endif %}
+
+<script>
+(function(){
+  // 调入数量输入框：上下方向键在「上一行/下一行」的同列输入框之间移动焦点
+  // （左右方向键保持默认行为：在文本内移动光标）
+  function allocInputs(){
+    return Array.prototype.slice.call(document.querySelectorAll('input[name^="alloc_"]'));
+  }
+  document.addEventListener('keydown', function(e){
+    if(e.key !== 'ArrowUp' && e.key !== 'ArrowDown') return;
+    var t = e.target;
+    if(!t || t.tagName !== 'INPUT' || t.name.indexOf('alloc_') !== 0) return;
+    var inputs = allocInputs();
+    var idx = inputs.indexOf(t);
+    if(idx < 0) return;
+    var next;
+    if(e.key === 'ArrowUp'){ if(idx <= 0) return; next = inputs[idx - 1]; }
+    else { if(idx >= inputs.length - 1) return; next = inputs[idx + 1]; }
+    e.preventDefault();
+    next.focus();
+    try { var v = next.value; next.setSelectionRange(v.length, v.length); } catch(_){}
+  });
+})();
+</script>
 {% endblock %}