diff --git a/src/components/composer/common/NumberInput.vue b/src/components/composer/common/NumberInput.vue
index 17a74d3..c8e070d 100644
--- a/src/components/composer/common/NumberInput.vue
+++ b/src/components/composer/common/NumberInput.vue
@@ -5,6 +5,7 @@
     dense
     filled
     :label="label"
+    :placeholder="placeholder"
     class="number-input"
   >
     <template v-slot:prepend>
@@ -55,6 +56,10 @@ export default defineComponent({
       type: String,
       default: "",
     },
+    placeholder: {
+      type: String,
+      default: "",
+    },
     icon: {
       type: String,
       default: "",
diff --git a/src/components/composer/common/ParamInput.vue b/src/components/composer/common/ParamInput.vue
index 04e89b1..1b43341 100644
--- a/src/components/composer/common/ParamInput.vue
+++ b/src/components/composer/common/ParamInput.vue
@@ -11,6 +11,7 @@
         :model-value="values[index]"
         @update:model-value="$emit('update', index, $event)"
         :label="config.label"
+        :placeholder="config.placeholder"
         :icon="config.icon"
         :options="config.options"
       />
@@ -20,6 +21,7 @@
         @update:model-value="$emit('update', index, $event)"
         :label="config.label"
         :icon="config.icon"
+        :placeholder="config.placeholder"
       />
       <ArrayEditor
         v-else-if="config.type === 'arrayEditor'"
@@ -61,6 +63,7 @@
         @update:model-value="$emit('update', index, $event)"
         :label="config.label"
         :icon="config.icon"
+        :placeholder="config.placeholder"
       >
         <template v-slot:prepend>
           <q-icon :name="config.icon || 'code'" />
@@ -153,6 +156,8 @@ export default defineComponent({
   min-width: 50px;
   margin-bottom: 0;
   display: flex;
+  justify-content: center;
+  align-items: center;
 }
 
 .grid-item > * {
@@ -160,6 +165,13 @@ export default defineComponent({
   min-width: 0;
 }
 
+/* 让开关、复选框和按钮组居中显示 */
+.grid-item > .q-toggle,
+.grid-item > .q-checkbox,
+.grid-item > .q-btn-group {
+  flex: 0 1 auto;
+}
+
 @media (max-width: 600px) {
   .grid-item {
     width: 100% !important;
diff --git a/src/components/composer/common/VariableInput.vue b/src/components/composer/common/VariableInput.vue
index b0e0013..d1617d1 100644
--- a/src/components/composer/common/VariableInput.vue
+++ b/src/components/composer/common/VariableInput.vue
@@ -4,6 +4,7 @@
     dense
     filled
     :label="label"
+    :placeholder="placeholder"
     class="variable-input"
   >
     <template v-slot:append>
@@ -182,6 +183,7 @@ export default defineComponent({
       default: () => newVarInputVal("str"),
     },
     label: String,
+    placeholder: String,
     icon: String,
     noIcon: Boolean,
     options: {
diff --git a/src/js/composer/commands/uiCommands.js b/src/js/composer/commands/uiCommands.js
index f55100a..f69e540 100644
--- a/src/js/composer/commands/uiCommands.js
+++ b/src/js/composer/commands/uiCommands.js
@@ -61,5 +61,96 @@ export const uiCommands = {
       component: "SelectListEditor",
       isAsync: true,
     },
+    {
+      value: "quickcommand.showTextArea",
+      label: "文本框",
+      desc: "显示一个文本框，可以输入多行文本",
+      isAsync: true,
+      outputVariable: "textareaValue",
+      saveOutput: true,
+      config: [
+        {
+          label: "文本框占位符",
+          type: "varInput",
+          defaultValue: newVarInputVal("str", "请输入"),
+          width: 6,
+        },
+        {
+          label: "文本框默认值",
+          type: "varInput",
+          defaultValue: newVarInputVal("str"),
+          width: 6,
+        },
+      ],
+    },
+    {
+      value: "quickcommand.showMessageBox",
+      label: "消息提示",
+      desc: "显示一个自动消失的提示框",
+      isAsync: true,
+      config: [
+        {
+          label: "提示内容",
+          type: "varInput",
+          icon: "info",
+          defaultValue: newVarInputVal("str", "这是一条提示消息"),
+          width: 12,
+        },
+        {
+          label: "图标类型",
+          type: "select",
+          defaultValue: "success",
+          icon: "lightbulb",
+          width: 6,
+          options: [
+            { label: "成功", value: "success" },
+            { label: "错误", value: "error" },
+            { label: "警告", value: "warning" },
+            { label: "信息", value: "info" },
+          ],
+        },
+        {
+          label: "显示时间(ms)",
+          type: "numInput",
+          width: 6,
+          placeholder: "0为手动关闭，留空按文本长度调整",
+        },
+      ],
+    },
+    {
+      value: "quickcommand.showConfirmBox",
+      label: "确认框",
+      desc: "显示一个确认框，返回是否点击了确认",
+      isAsync: true,
+      outputVariable: "confirmed",
+      saveOutput: true,
+      config: [
+        {
+          label: "提示内容",
+          type: "varInput",
+          defaultValue: newVarInputVal("str", "确认要执行此操作吗？"),
+          width: 12,
+        },
+        {
+          label: "标题",
+          type: "varInput",
+          defaultValue: newVarInputVal("str", "提示"),
+          width: 7,
+        },
+        {
+          label: "支持HTML",
+          type: "switch",
+          defaultValue: false,
+          width: 2,
+        },
+        {
+          label: "宽度",
+          type: "numInput",
+          defaultValue: 450,
+          width: 3,
+          placeholder: "对话框宽度",
+        },
+      ],
+    },
   ],
 };