diff --git a/.reasonix/desktop-topic-auto-title-meta.json b/.reasonix/desktop-topic-auto-title-meta.json
index 3772986..73c3c03 100644
--- a/.reasonix/desktop-topic-auto-title-meta.json
+++ b/.reasonix/desktop-topic-auto-title-meta.json
@@ -34,5 +34,11 @@
     "userTurns": 1,
     "basisHash": "e0e08f907071b904",
     "updatedAt": 1783654440818
+  },
+  "topic_20260710-034033_6432ee6566f7b432": {
+    "stage": 1,
+    "userTurns": 1,
+    "basisHash": "6b126156c40b1534",
+    "updatedAt": 1783655064287
   }
 }
\ No newline at end of file
diff --git a/.reasonix/desktop-topic-created-at.json b/.reasonix/desktop-topic-created-at.json
index fe8168e..2ff1e02 100644
--- a/.reasonix/desktop-topic-created-at.json
+++ b/.reasonix/desktop-topic-created-at.json
@@ -5,5 +5,7 @@
   "topic_20260706-153317_238f65a7a470703c": 1783351997029,
   "topic_20260710-024855_5c4b1833149d66bb": 1783651735446,
   "topic_20260710-030936_cedad2907c3954fe": 1783652976310,
-  "topic_20260710-032907_600adc6b00791607": 1783654147796
+  "topic_20260710-032907_600adc6b00791607": 1783654147796,
+  "topic_20260710-034033_6432ee6566f7b432": 1783654833341,
+  "topic_20260710-034724_3c6fb29d8d0a4119": 1783655244536
 }
\ No newline at end of file
diff --git a/.reasonix/desktop-topic-title-sources.json b/.reasonix/desktop-topic-title-sources.json
index 615072e..5943499 100644
--- a/.reasonix/desktop-topic-title-sources.json
+++ b/.reasonix/desktop-topic-title-sources.json
@@ -43,5 +43,7 @@
   "topic_20260708-095428_990617acd4168b40": "auto",
   "topic_20260710-024855_5c4b1833149d66bb": "auto",
   "topic_20260710-030936_cedad2907c3954fe": "auto",
-  "topic_20260710-032907_600adc6b00791607": "auto"
+  "topic_20260710-032907_600adc6b00791607": "auto",
+  "topic_20260710-034033_6432ee6566f7b432": "auto",
+  "topic_20260710-034724_3c6fb29d8d0a4119": "auto"
 }
\ No newline at end of file
diff --git a/.reasonix/desktop-topic-titles.json b/.reasonix/desktop-topic-titles.json
index 3cf7872..c5f9fbc 100644
--- a/.reasonix/desktop-topic-titles.json
+++ b/.reasonix/desktop-topic-titles.json
@@ -43,5 +43,7 @@
   "topic_20260708-095428_990617acd4168b40": "帮我检查一下这个应用在进行放大缩小的…",
   "topic_20260710-024855_5c4b1833149d66bb": "帮我给右侧的目录树添加一个功能，当用…",
   "topic_20260710-030936_cedad2907c3954fe": "鼠标放在tree上的时候，只有hov…",
-  "topic_20260710-032907_600adc6b00791607": "目录树中显示的文件夹，markdow…"
+  "topic_20260710-032907_600adc6b00791607": "目录树中显示的文件夹，markdow…",
+  "topic_20260710-034033_6432ee6566f7b432": "我在点击目录树的时候新增文件夹和新建…",
+  "topic_20260710-034724_3c6fb29d8d0a4119": "新的会话"
 }
\ No newline at end of file
diff --git a/src/components/PromptDialog.vue b/src/components/PromptDialog.vue
new file mode 100644
index 0000000..5a2caba
--- /dev/null
+++ b/src/components/PromptDialog.vue
@@ -0,0 +1,240 @@
+<script setup lang="ts">
+import { ref, watch, nextTick } from "vue";
+
+const props = withDefaults(
+  defineProps<{
+    show: boolean;
+    title: string;
+    message?: string;
+    placeholder?: string;
+    modelValue?: string;
+    confirmText?: string;
+    cancelText?: string;
+  }>(),
+  {
+    message: "",
+    placeholder: "",
+    modelValue: "",
+    confirmText: "确认",
+    cancelText: "取消",
+  },
+);
+
+const emit = defineEmits<{
+  confirm: [value: string];
+  cancel: [];
+}>();
+
+const inputValue = ref(props.modelValue);
+const inputRef = ref<HTMLInputElement | null>(null);
+
+// Reset and auto-focus when dialog opens
+watch(
+  () => props.show,
+  async (visible) => {
+    if (visible) {
+      inputValue.value = props.modelValue;
+      await nextTick();
+      inputRef.value?.focus();
+      inputRef.value?.select();
+    }
+  },
+);
+
+function onSubmit() {
+  const trimmed = inputValue.value.trim();
+  if (trimmed) {
+    emit("confirm", trimmed);
+  }
+}
+
+function onKeydown(e: KeyboardEvent) {
+  if (e.key === "Enter") {
+    e.preventDefault();
+    onSubmit();
+  } else if (e.key === "Escape") {
+    emit("cancel");
+  }
+}
+</script>
+
+<template>
+  <Teleport to="body">
+    <div
+      v-if="show"
+      class="prompt-overlay"
+      role="presentation"
+      @click.self="emit('cancel')"
+    >
+      <section
+        class="prompt-shell"
+        role="dialog"
+        aria-modal="true"
+        :aria-label="title"
+      >
+        <header class="prompt-header">
+          <h2>{{ title }}</h2>
+        </header>
+
+        <div class="prompt-body">
+          <p v-if="message" class="prompt-message">{{ message }}</p>
+          <input
+            ref="inputRef"
+            v-model="inputValue"
+            class="prompt-input"
+            type="text"
+            :placeholder="placeholder"
+            @keydown="onKeydown"
+          />
+        </div>
+
+        <footer class="prompt-footer">
+          <button
+            class="prompt-btn prompt-btn-cancel"
+            type="button"
+            @click="emit('cancel')"
+          >
+            {{ cancelText }}
+          </button>
+          <button
+            class="prompt-btn prompt-btn-primary"
+            type="button"
+            :disabled="!inputValue.trim()"
+            @click="onSubmit"
+          >
+            {{ confirmText }}
+          </button>
+        </footer>
+      </section>
+    </div>
+  </Teleport>
+</template>
+
+<style scoped>
+.prompt-overlay {
+  position: fixed;
+  inset: 0;
+  z-index: 100;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 28px;
+  background: var(--app-overlay);
+  backdrop-filter: blur(8px);
+}
+
+.prompt-shell {
+  width: min(380px, calc(100vw - 48px));
+  overflow: hidden;
+  border: 1px solid var(--app-border-strong);
+  border-radius: 12px;
+  background: var(--app-surface);
+  box-shadow:
+    0 24px 70px var(--app-shadow),
+    0 2px 10px color-mix(in srgb, var(--app-shadow) 46%, transparent);
+}
+
+.prompt-header {
+  display: flex;
+  align-items: center;
+  min-height: 48px;
+  padding: 0 20px;
+  border-bottom: 1px solid var(--app-border);
+}
+
+.prompt-header h2 {
+  margin: 0;
+  color: var(--app-text);
+  font-size: 14px;
+  font-weight: 700;
+}
+
+.prompt-body {
+  padding: 20px;
+}
+
+.prompt-message {
+  margin: 0 0 14px;
+  color: var(--app-text-soft);
+  font-size: 13px;
+  line-height: 1.6;
+}
+
+.prompt-input {
+  display: block;
+  width: 100%;
+  height: 36px;
+  padding: 0 12px;
+  border: 1px solid var(--app-border-strong);
+  border-radius: 8px;
+  background: var(--app-surface-muted);
+  color: var(--app-text);
+  font-size: 14px;
+  font-family: inherit;
+  outline: none;
+  transition:
+    border-color 0.15s ease,
+    box-shadow 0.15s ease;
+  box-sizing: border-box;
+}
+
+.prompt-input::placeholder {
+  color: var(--app-subtle);
+}
+
+.prompt-input:focus {
+  border-color: var(--app-accent);
+  box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-accent) 12%, transparent);
+}
+
+.prompt-footer {
+  display: flex;
+  justify-content: flex-end;
+  gap: 8px;
+  padding: 12px 20px;
+  border-top: 1px solid var(--app-border);
+  background: var(--app-panel-bg);
+}
+
+.prompt-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 72px;
+  height: 32px;
+  padding: 0 16px;
+  border: none;
+  border-radius: 6px;
+  font-size: 13px;
+  font-weight: 500;
+  cursor: pointer;
+  transition:
+    background-color 0.15s ease,
+    color 0.15s ease,
+    opacity 0.15s ease;
+}
+
+.prompt-btn-cancel {
+  background: var(--app-hover);
+  color: var(--app-text-soft);
+}
+
+.prompt-btn-cancel:hover {
+  background: var(--app-border);
+  color: var(--app-text);
+}
+
+.prompt-btn-primary {
+  background: var(--app-accent);
+  color: #fff;
+}
+
+.prompt-btn-primary:hover:not(:disabled) {
+  opacity: 0.88;
+}
+
+.prompt-btn-primary:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+</style>
diff --git a/src/components/TreeEntry.vue b/src/components/TreeEntry.vue
index 540259b..33c6b2b 100644
--- a/src/components/TreeEntry.vue
+++ b/src/components/TreeEntry.vue
@@ -6,6 +6,7 @@ export default { name: "TreeEntry" };
 <script setup lang="ts">
 import { computed, ref, watch, onMounted, onUnmounted } from "vue";
 import ConfirmDialog from "./ConfirmDialog.vue";
+import PromptDialog from "./PromptDialog.vue";
 
 interface DirEntry {
   name: string;
@@ -112,29 +113,62 @@ onUnmounted(() => {
   document.removeEventListener("click", onDocumentClick);
 });
 
+// ── Prompt dialog state ──────────────────────────────────────
+const promptShow = ref(false);
+const promptTitle = ref("");
+const promptMessage = ref("");
+const promptPlaceholder = ref("");
+const promptDefaultValue = ref("");
+let promptCallback: ((value: string) => void) | null = null;
+
+function openPrompt(
+  title: string,
+  message: string,
+  placeholder: string,
+  defaultValue: string,
+  cb: (value: string) => void,
+) {
+  promptTitle.value = title;
+  promptMessage.value = message;
+  promptPlaceholder.value = placeholder;
+  promptDefaultValue.value = defaultValue;
+  promptCallback = cb;
+  promptShow.value = true;
+}
+
+function onPromptConfirm(value: string) {
+  promptShow.value = false;
+  promptCallback?.(value);
+  promptCallback = null;
+}
+
+function onPromptCancel() {
+  promptShow.value = false;
+  promptCallback = null;
+}
+
 // ── Actions ─────────────────────────────────────────────────
 function handleCreateFolder() {
   closeMenu();
-  const name = window.prompt("请输入文件夹名称：");
-  if (name && name.trim()) {
-    emit("createFolder", props.entry.path + "/" + name.trim());
-  }
+  openPrompt("新建文件夹", "", "输入文件夹名称", "", (name) => {
+    emit("createFolder", props.entry.path + "/" + name);
+  });
 }
 
 function handleCreateFile() {
   closeMenu();
-  const name = window.prompt("请输入文件名称（无需 .md 后缀）：");
-  if (name && name.trim()) {
-    emit("createFile", props.entry.path + "/" + name.trim() + ".md");
-  }
+  openPrompt("新建 MD 文件", "", "输入文件名称（无需 .md 后缀）", "", (name) => {
+    emit("createFile", props.entry.path + "/" + name + ".md");
+  });
 }
 
 function handleRename() {
   closeMenu();
-  const newName = window.prompt("请输入新名称：", props.entry.name);
-  if (newName && newName.trim() && newName.trim() !== props.entry.name) {
-    emit("renameEntry", props.entry.path, newName.trim());
-  }
+  openPrompt("重命名", "", "输入新名称", props.entry.name, (newName) => {
+    if (newName !== props.entry.name) {
+      emit("renameEntry", props.entry.path, newName);
+    }
+  });
 }
 
 // ── Delete confirmation ─────────────────────────────────────
@@ -183,6 +217,17 @@ function onClick() {
     @cancel="confirmShow = false"
   />
 
+  <!-- ── Prompt dialog ── -->
+  <PromptDialog
+    :show="promptShow"
+    :title="promptTitle"
+    :message="promptMessage"
+    :placeholder="promptPlaceholder"
+    :model-value="promptDefaultValue"
+    @confirm="onPromptConfirm"
+    @cancel="onPromptCancel"
+  />
+
   <template v-if="entry.is_dir">
     <!-- Folder row -->
     <div