diff --git a/subPackages/sub_workbench/prescription_v2/components/modals/ChineseMedicineModal.vue b/subPackages/sub_workbench/prescription_v2/components/modals/ChineseMedicineModal.vue
index eb379ba..2596f8a 100644
--- a/subPackages/sub_workbench/prescription_v2/components/modals/ChineseMedicineModal.vue
+++ b/subPackages/sub_workbench/prescription_v2/components/modals/ChineseMedicineModal.vue
@@ -550,6 +550,28 @@ export default {
       this.$emit('select', payload);
     },
 
+    /**
+     * 自动添加药品：快捷克数/输入克数时若尚未加入处方则自动添加
+     * @param {Object} drug 搜索列表中的药品
+     * @param {{ showToast?: boolean }} options showToast 仅首次添加时提示
+     */
+    tryAutoAddDrug(drug, options = {}) {
+      if (!drug || !drug._quantity || drug._quantity <= 0) {
+        return;
+      }
+      const existIndex = this.findSelectedIndex(drug);
+      const isNew = existIndex === -1;
+      if (existIndex !== -1) {
+        this.$set(this.selectedDrugs[existIndex], 'number', drug._quantity);
+      } else {
+        this.selectedDrugs.push(this.buildSelectedItem(drug));
+      }
+      this.emitSelect();
+      if (isNew && options.showToast) {
+        this.$toast(`已将${this.getDrugName(drug)}添加到处方`);
+      }
+    },
+
     /**
      * 添加药品到处方
      * @param {Event} event - 点击事件对象
@@ -571,15 +593,7 @@ export default {
         this.$set(drug, '_quantity', 1);
       }
 
-      // 已经在 selectedDrugs 中则只更新数量
-      const existIndex = this.findSelectedIndex(drug);
-      if (existIndex !== -1) {
-        this.$set(this.selectedDrugs[existIndex], 'number', drug._quantity);
-      } else {
-        this.selectedDrugs.push(this.buildSelectedItem(drug));
-      }
-      this.emitSelect();
-      this.$toast(`已将${this.getDrugName(drug)}添加到处方`);
+      this.tryAutoAddDrug(drug, { showToast: true });
     },
 
     /**
@@ -651,7 +665,7 @@ export default {
         this.$set(drug, '_quantity', 0);
       }
       this.$set(drug, '_quantity', (drug._quantity || 0) + 1);
-      this.syncQuantityToSelected(drug);
+      this.tryAutoAddDrug(drug, { showToast: !this.isInSelected(drug) });
     },
 
     /**
@@ -724,7 +738,11 @@ export default {
 
       if (!isNaN(numValue) && numValue >= 0) {
         this.$set(drug, '_quantity', numValue);
-        this.syncQuantityToSelected(drug);
+        if (numValue > 0) {
+          this.tryAutoAddDrug(drug, { showToast: !this.isInSelected(drug) });
+        } else {
+          this.syncQuantityToSelected(drug);
+        }
       } else if (value === '') {
         this.$set(drug, '_quantity', 0);
         this.syncQuantityToSelected(drug);
@@ -763,9 +781,9 @@ export default {
       if (typeof drug._quantity === 'undefined') {
         this.$set(drug, '_quantity', 0);
       }
-      // 设置数量
+      // 设置数量并自动添加到处方
       this.$set(drug, '_quantity', quantity);
-      this.syncQuantityToSelected(drug);
+      this.tryAutoAddDrug(drug, { showToast: !this.isInSelected(drug) });
     },
 
     /**