diff --git a/internal/http/request/template.go b/internal/http/request/template.go
index f8b9128b..9c3b9a4d 100644
--- a/internal/http/request/template.go
+++ b/internal/http/request/template.go
@@ -9,6 +9,7 @@ type TemplateSlug struct {
 type TemplateCreate struct {
 	Slug         string     `json:"slug" validate:"required"`
 	Name         string     `json:"name" validate:"required|regex:^[a-zA-Z0-9_-]+$"`
+	Compose      string     `json:"compose"`
 	Envs         []types.KV `json:"envs"`
 	AutoFirewall bool       `json:"auto_firewall"`
 }
diff --git a/internal/service/template.go b/internal/service/template.go
index fccf883f..dedf72eb 100644
--- a/internal/service/template.go
+++ b/internal/service/template.go
@@ -65,8 +65,14 @@ func (s *TemplateService) Create(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// 使用用户自定义的 compose 内容，如果没有则使用模版默认内容
+	compose := req.Compose
+	if compose == "" {
+		compose = template.Compose
+	}
+
 	// 创建编排
-	dir, err := s.templateRepo.CreateCompose(req.Name, template.Compose, req.Envs, req.AutoFirewall)
+	dir, err := s.templateRepo.CreateCompose(req.Name, compose, req.Envs, req.AutoFirewall)
 	if err != nil {
 		Error(w, http.StatusInternalServerError, "%v", err)
 		return
diff --git a/web/src/api/panel/template/index.ts b/web/src/api/panel/template/index.ts
index ebaccd17..77d0856a 100644
--- a/web/src/api/panel/template/index.ts
+++ b/web/src/api/panel/template/index.ts
@@ -9,6 +9,7 @@ export default {
   create: (data: {
     slug: string
     name: string
+    compose: string
     envs: { key: string; value: string }[]
     auto_firewall: boolean
   }): any => http.Post('/template', data),
diff --git a/web/src/components/common/DiffEditor.vue b/web/src/components/common/DiffEditor.vue
new file mode 100644
index 00000000..15727913
--- /dev/null
+++ b/web/src/components/common/DiffEditor.vue
@@ -0,0 +1,164 @@
+<script setup lang="ts">
+import { useThemeStore } from '@/store'
+import { getMonaco } from '@/utils/monaco'
+import type * as Monaco from 'monaco-editor'
+import { useThemeVars } from 'naive-ui'
+
+const props = defineProps({
+  original: {
+    type: String,
+    required: true
+  },
+  lang: {
+    type: String,
+    required: false,
+    default: 'yaml'
+  },
+  height: {
+    type: String,
+    required: false,
+    default: '60vh'
+  },
+  readOnly: {
+    type: Boolean,
+    required: false,
+    default: false
+  }
+})
+
+const modified = defineModel<string>('modified', { type: String, required: true })
+
+const containerRef = ref<HTMLDivElement>()
+const editorRef = shallowRef<Monaco.editor.IStandaloneDiffEditor>()
+const monacoRef = shallowRef<typeof Monaco>()
+const loading = ref(true)
+
+const themeStore = useThemeStore()
+const themeVars = useThemeVars()
+
+async function initEditor() {
+  if (!containerRef.value) return
+
+  const monaco = await getMonaco(themeStore.locale)
+  monacoRef.value = monaco
+
+  const originalModel = monaco.editor.createModel(props.original, props.lang)
+  const modifiedModel = monaco.editor.createModel(modified.value, props.lang)
+
+  editorRef.value = monaco.editor.createDiffEditor(containerRef.value, {
+    theme: 'vs' + (themeStore.darkMode ? '-dark' : ''),
+    automaticLayout: true,
+    smoothScrolling: true,
+    readOnly: props.readOnly,
+    renderSideBySide: true,
+    enableSplitViewResizing: true,
+    originalEditable: false
+  })
+
+  editorRef.value.setModel({
+    original: originalModel,
+    modified: modifiedModel
+  })
+
+  // 监听修改后的内容变化
+  modifiedModel.onDidChangeContent(() => {
+    const newValue = modifiedModel.getValue()
+    if (newValue !== modified.value) {
+      modified.value = newValue
+    }
+  })
+
+  loading.value = false
+}
+
+watch(
+  () => props.original,
+  (newOriginal) => {
+    if (editorRef.value && monacoRef.value) {
+      const model = editorRef.value.getModel()
+      if (model?.original) {
+        model.original.setValue(newOriginal)
+      }
+    }
+  }
+)
+
+watch(modified, (newModified) => {
+  if (editorRef.value) {
+    const model = editorRef.value.getModel()
+    if (model?.modified && model.modified.getValue() !== newModified) {
+      model.modified.setValue(newModified)
+    }
+  }
+})
+
+watch(
+  () => props.lang,
+  (newLang) => {
+    if (editorRef.value && monacoRef.value) {
+      const model = editorRef.value.getModel()
+      if (model?.original) {
+        monacoRef.value.editor.setModelLanguage(model.original, newLang)
+      }
+      if (model?.modified) {
+        monacoRef.value.editor.setModelLanguage(model.modified, newLang)
+      }
+    }
+  }
+)
+
+watch(
+  () => props.readOnly,
+  (newReadOnly) => {
+    if (editorRef.value) {
+      editorRef.value.updateOptions({ readOnly: newReadOnly })
+    }
+  }
+)
+
+onMounted(() => {
+  initEditor()
+})
+
+onBeforeUnmount(() => {
+  const model = editorRef.value?.getModel()
+  model?.original?.dispose()
+  model?.modified?.dispose()
+  editorRef.value?.dispose()
+})
+</script>
+
+<template>
+  <div class="diff-editor" :style="{ height: props.height, borderColor: themeVars.borderColor }">
+    <div v-if="loading" class="editor-loading">
+      <n-spin size="medium" />
+    </div>
+    <div ref="containerRef" class="editor-container" :style="{ height: props.height }" />
+  </div>
+</template>
+
+<style scoped lang="scss">
+.diff-editor {
+  position: relative;
+  width: 100%;
+  border: 1px solid;
+  border-radius: 3px;
+  overflow: hidden;
+}
+
+.editor-loading {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1;
+}
+
+.editor-container {
+  width: 100%;
+}
+</style>
diff --git a/web/src/views/app/TemplateDeployModal.vue b/web/src/views/app/TemplateDeployModal.vue
index 089562ac..e45e7072 100644
--- a/web/src/views/app/TemplateDeployModal.vue
+++ b/web/src/views/app/TemplateDeployModal.vue
@@ -1,5 +1,7 @@
 <script setup lang="ts">
+import containerApi from '@/api/panel/container'
 import templateApi from '@/api/panel/template'
+import DiffEditor from '@/components/common/DiffEditor.vue'
 import PtyTerminalModal from '@/components/common/PtyTerminalModal.vue'
 import type { FormInst, FormItemRule, FormRules } from 'naive-ui'
 import { useGettext } from 'vue3-gettext'
@@ -19,9 +21,20 @@ const emit = defineEmits<{
 const show = defineModel<boolean>('show', { type: Boolean, required: true })
 
 const doSubmit = ref(false)
-const currentTab = ref('basic')
+const currentStep = ref(1)
 const formRef = ref<FormInst | null>(null)
 
+// 部署模式: create 或 update
+const deployMode = ref<'create' | 'update'>('create')
+
+// 编排列表
+const composeList = ref<{ name: string; path: string }[]>([])
+const composeListLoading = ref(false)
+const selectedCompose = ref<string | null>(null)
+const selectedComposeData = ref<{ compose: string; envs: { key: string; value: string }[] } | null>(
+  null
+)
+
 // 启动终端
 const upModal = ref(false)
 const upCommand = ref('')
@@ -33,6 +46,10 @@ const deployModel = reactive({
   envs: {} as Record<string, any>
 })
 
+// 最终编排内容
+const finalCompose = ref('')
+const finalEnvs = ref<{ key: string; value: string }[]>([])
+
 // 初始化环境变量默认值
 const initEnvDefaults = () => {
   if (!props.template?.environments) return
@@ -46,7 +63,7 @@ const initEnvDefaults = () => {
 // 获取 select 选项
 const getSelectOptions = (env: TemplateEnvironment) => {
   if (!env.options) return []
-  return Object.entries(env.options).map(([value, label]) => ({
+  return Object.entries(env.options).map(([label, value]) => ({
     label,
     value
   }))
@@ -75,54 +92,160 @@ const formRules = computed<FormRules>(() => {
   return rules
 })
 
+// 加载编排列表
+const loadComposeList = () => {
+  composeListLoading.value = true
+  useRequest(containerApi.composeList(1, 1000))
+    .onSuccess(({ data }) => {
+      composeList.value = data.items || []
+    })
+    .onComplete(() => {
+      composeListLoading.value = false
+    })
+}
+
+// 加载选中编排的详情并预填充环境变量
+const loadComposeDetailAndFillEnvs = (name: string) => {
+  useRequest(containerApi.composeGet(name)).onSuccess(({ data }) => {
+    selectedComposeData.value = {
+      compose: data.compose,
+      envs: data.envs || []
+    }
+    // 用旧编排的环境变量预填充表单
+    const oldEnvs = data.envs || []
+    oldEnvs.forEach((env: { key: string; value: string }) => {
+      if (env.key in deployModel.envs) {
+        deployModel.envs[env.key] = env.value
+      }
+    })
+  })
+}
+
+// 进入步骤3
+const goToStep3 = () => {
+  finalCompose.value = props.template?.compose || ''
+  finalEnvs.value = generateFinalEnvs()
+  currentStep.value = 3
+}
+
+// 生成最终的环境变量列表
+const generateFinalEnvs = () => {
+  return Object.entries(deployModel.envs).map(([key, value]) => ({
+    key,
+    value: String(value)
+  }))
+}
+
+// 步骤1：选择部署模式
+const handleModeSelect = (mode: 'create' | 'update') => {
+  deployMode.value = mode
+  if (mode === 'update') {
+    loadComposeList()
+  }
+  currentStep.value = 2
+}
+
+// 选择编排后加载详情并预填充环境变量
+const handleComposeSelect = (name: string) => {
+  selectedCompose.value = name
+  if (name) {
+    loadComposeDetailAndFillEnvs(name)
+  }
+}
+
+// 步骤2：验证并进入下一步
+const handleStep2Next = async () => {
+  if (deployMode.value === 'create') {
+    // 验证编排名称
+    if (!deployModel.name.trim()) {
+      window.$message.warning($gettext('Please enter compose name'))
+      return
+    }
+
+    // 表单校验
+    try {
+      await formRef.value?.validate()
+    } catch {
+      return
+    }
+
+    goToStep3()
+  } else {
+    // 更新模式：验证是否选择了编排
+    if (!selectedCompose.value) {
+      window.$message.warning($gettext('Please select a compose'))
+      return
+    }
+
+    // 表单校验
+    try {
+      await formRef.value?.validate()
+    } catch {
+      return
+    }
+
+    goToStep3()
+  }
+}
+
+// 步骤3：进入确认步骤
+const handleStep3Next = () => {
+  currentStep.value = 4
+}
+
 // 提交部署
 const handleSubmit = async () => {
   if (!props.template) return
 
-  if (!deployModel.name.trim()) {
-    window.$message.warning($gettext('Please enter compose name'))
-    return
-  }
-
-  // 表单校验
-  try {
-    await formRef.value?.validate()
-  } catch {
-    currentTab.value = 'environment'
-    return
-  }
-
   doSubmit.value = true
 
-  // 构建环境变量数组
-  const envs = Object.entries(deployModel.envs).map(([key, value]) => ({
-    key,
-    value: String(value)
-  }))
-
-  // 创建 compose
-  useRequest(
-    templateApi.create({
-      slug: props.template.slug,
-      name: deployModel.name,
-      envs,
-      auto_firewall: deployModel.autoFirewall
-    })
-  )
-    .onSuccess(({ data }) => {
-      window.$message.success($gettext('Created successfully'))
-      if (deployModel.autoStart) {
-        // 自动启动
-        upCommand.value = `docker compose -f ${data}/docker-compose.yml up -d`
-        upModal.value = true
-      } else {
-        show.value = false
-        emit('success')
-      }
-    })
-    .onComplete(() => {
-      doSubmit.value = false
-    })
+  if (deployMode.value === 'create') {
+    // 创建新编排
+    useRequest(
+      templateApi.create({
+        slug: props.template.slug,
+        name: deployModel.name,
+        compose: finalCompose.value,
+        envs: finalEnvs.value,
+        auto_firewall: deployModel.autoFirewall
+      })
+    )
+      .onSuccess(({ data }) => {
+        window.$message.success($gettext('Created successfully'))
+        if (deployModel.autoStart) {
+          upCommand.value = `docker compose -f ${data}/docker-compose.yml up -d`
+          upModal.value = true
+        } else {
+          show.value = false
+          emit('success')
+        }
+      })
+      .onComplete(() => {
+        doSubmit.value = false
+      })
+  } else {
+    // 更新已有编排
+    useRequest(
+      containerApi.composeUpdate(selectedCompose.value!, {
+        compose: finalCompose.value,
+        envs: finalEnvs.value
+      })
+    )
+      .onSuccess(() => {
+        window.$message.success($gettext('Update successful'))
+        const composePath = composeList.value.find((c) => c.name === selectedCompose.value)?.path
+        if (deployModel.autoStart && composePath) {
+          upCommand.value = `docker compose -f ${composePath}/docker-compose.yml up -d`
+          upModal.value = true
+        } else {
+          show.value = false
+          emit('success')
+        }
+      })
+      .onComplete(() => {
+        doSubmit.value = false
+      })
+  }
 }
 
 // 启动完成
@@ -131,12 +254,24 @@ const handleUpComplete = () => {
   emit('success')
 }
 
+// 返回上一步
+const handlePrev = () => {
+  if (currentStep.value > 1) {
+    currentStep.value--
+  }
+}
+
 const resetForm = () => {
   deployModel.name = ''
   deployModel.autoStart = true
   deployModel.autoFirewall = false
   deployModel.envs = {}
-  currentTab.value = 'basic'
+  currentStep.value = 1
+  deployMode.value = 'create'
+  selectedCompose.value = null
+  selectedComposeData.value = null
+  finalCompose.value = ''
+  finalEnvs.value = []
   initEnvDefaults()
 }
 
@@ -154,6 +289,14 @@ watch(
     }
   }
 )
+
+// 编排选项
+const composeOptions = computed(() => {
+  return composeList.value.map((item) => ({
+    label: item.name,
+    value: item.name
+  }))
+})
 </script>
 
 <template>
@@ -161,18 +304,70 @@ watch(
     v-model:show="show"
     :title="$gettext('Deploy Template') + (template ? ` - ${template.name}` : '')"
     preset="card"
-    style="width: 60vw"
+    style="width: 70vw"
     size="huge"
     :bordered="false"
     :segmented="false"
     :mask-closable="!doSubmit"
     :closable="!doSubmit"
   >
-    <n-tabs v-model:value="currentTab" type="line" animated>
-      <!-- 基本设置 -->
-      <n-tab-pane name="basic" :tab="$gettext('Basic Settings')">
-        <n-form :model="deployModel" label-placement="left" label-width="120">
-          <n-form-item path="name" :label="$gettext('Compose Name')">
+    <!-- 步骤指示器 -->
+    <n-steps :current="currentStep" size="small" class="mb-24">
+      <n-step :title="$gettext('Deploy Mode')" />
+      <n-step :title="$gettext('Configuration')" />
+      <n-step :title="$gettext('Preview & Edit')" />
+      <n-step :title="$gettext('Confirm')" />
+    </n-steps>
+
+    <!-- 步骤1：选择部署模式 -->
+    <div v-if="currentStep === 1">
+      <n-flex justify="center" :size="24" style="padding: 40px 0">
+        <n-card hoverable style="width: 280px; cursor: pointer" @click="handleModeSelect('create')">
+          <n-flex vertical align="center" :size="16">
+            <n-icon size="48" color="#18a058">
+              <svg viewBox="0 0 24 24" fill="currentColor">
+                <path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z" />
+              </svg>
+            </n-icon>
+            <n-text strong style="font-size: 16px">{{ $gettext('Create New Compose') }}</n-text>
+            <n-text depth="3" style="text-align: center">
+              {{ $gettext('Create a new compose from this template') }}
+            </n-text>
+          </n-flex>
+        </n-card>
+
+        <n-card hoverable style="width: 280px; cursor: pointer" @click="handleModeSelect('update')">
+          <n-flex vertical align="center" :size="16">
+            <n-icon size="48" color="#2080f0">
+              <svg viewBox="0 0 24 24" fill="currentColor">
+                <path
+                  d="M21 10.12h-6.78l2.74-2.82c-2.73-2.7-7.15-2.8-9.88-.1-2.73 2.71-2.73 7.08 0 9.79s7.15 2.71 9.88 0C18.32 15.65 19 14.08 19 12.1h2c0 1.98-.88 4.55-2.64 6.29-3.51 3.48-9.21 3.48-12.72 0-3.5-3.47-3.53-9.11-.02-12.58s9.14-3.47 12.65 0L21 3v7.12z"
+                />
+              </svg>
+            </n-icon>
+            <n-text strong style="font-size: 16px">{{
+              $gettext('Update Existing Compose')
+            }}</n-text>
+            <n-text depth="3" style="text-align: center">
+              {{ $gettext('Update an existing compose with this template') }}
+            </n-text>
+          </n-flex>
+        </n-card>
+      </n-flex>
+    </div>
+
+    <!-- 步骤2：配置 -->
+    <div v-else-if="currentStep === 2">
+      <!-- 创建模式 -->
+      <template v-if="deployMode === 'create'">
+        <n-form
+          ref="formRef"
+          :model="deployModel"
+          :rules="formRules"
+          label-placement="left"
+          label-width="160"
+        >
+          <n-form-item path="name" :label="$gettext('Compose Name')" required>
             <n-input
               v-model:value="deployModel.name"
               type="text"
@@ -193,22 +388,66 @@ watch(
               <n-form-item path="autoFirewall" :label="$gettext('Auto Firewall')">
                 <n-switch v-model:value="deployModel.autoFirewall" />
                 <template #feedback>
-                  <span>
-                    {{ $gettext('Automatically allow ports defined in compose') }}
-                  </span>
+                  <span>{{ $gettext('Automatically allow ports defined in compose') }}</span>
                 </template>
               </n-form-item>
             </n-col>
           </n-row>
-        </n-form>
-      </n-tab-pane>
 
-      <!-- 环境变量 -->
-      <n-tab-pane
-        v-if="template?.environments?.length"
-        name="environment"
-        :tab="$gettext('Environment Variables')"
-      >
+          <!-- 环境变量 -->
+          <template v-if="template?.environments?.length">
+            <n-divider title-placement="left">{{ $gettext('Environment Variables') }}</n-divider>
+
+            <n-form-item
+              v-for="env in template.environments"
+              :key="env.name"
+              :path="`envs.${env.name}`"
+              :label="env.description"
+              :required="env.default == ''"
+            >
+              <!-- Select 类型 -->
+              <n-select
+                v-if="env.type === 'select'"
+                v-model:value="deployModel.envs[env.name]"
+                :options="getSelectOptions(env)"
+                :placeholder="$gettext('Select value')"
+              />
+              <!-- Number/Port 类型 -->
+              <n-input-number
+                v-else-if="env.type === 'number' || env.type === 'port'"
+                v-model:value="deployModel.envs[env.name]"
+                :min="env.type === 'port' ? 1 : undefined"
+                :max="env.type === 'port' ? 65535 : undefined"
+                style="width: 100%"
+                :placeholder="String(env.default)"
+              />
+              <!-- Password 类型 -->
+              <n-input
+                v-else-if="env.type === 'password'"
+                v-model:value="deployModel.envs[env.name]"
+                type="password"
+                show-password-on="click"
+                :placeholder="String(env.default)"
+              />
+              <!-- URL 类型 -->
+              <n-input
+                v-else-if="env.type === 'url'"
+                v-model:value="deployModel.envs[env.name]"
+                :placeholder="String(env.default)"
+              />
+              <!-- Text 类型 (默认) -->
+              <n-input
+                v-else
+                v-model:value="deployModel.envs[env.name]"
+                :placeholder="String(env.default)"
+              />
+            </n-form-item>
+          </template>
+        </n-form>
+      </template>
+
+      <!-- 更新模式 -->
+      <template v-else>
         <n-form
           ref="formRef"
           :model="deployModel"
@@ -216,74 +455,191 @@ watch(
           label-placement="left"
           label-width="160"
         >
-          <n-form-item
-            v-for="env in template.environments"
-            :key="env.name"
-            :path="`envs.${env.name}`"
-            :label="env.description"
-            :required="env.default == ''"
-          >
-            <!-- Select 类型 -->
+          <n-form-item :label="$gettext('Select Compose')" required>
             <n-select
-              v-if="env.type === 'select'"
-              v-model:value="deployModel.envs[env.name]"
-              :options="getSelectOptions(env)"
-              :placeholder="$gettext('Select value')"
-            />
-            <!-- Number/Port 类型 -->
-            <n-input-number
-              v-else-if="env.type === 'number' || env.type === 'port'"
-              v-model:value="deployModel.envs[env.name]"
-              :min="env.type === 'port' ? 1 : undefined"
-              :max="env.type === 'port' ? 65535 : undefined"
-              style="width: 100%"
-              :placeholder="env.default || ''"
-            />
-            <!-- Password 类型 -->
-            <n-input
-              v-else-if="env.type === 'password'"
-              v-model:value="deployModel.envs[env.name]"
-              type="password"
-              show-password-on="click"
-              :placeholder="env.default || ''"
-            />
-            <!-- URL 类型 -->
-            <n-input
-              v-else-if="env.type === 'url'"
-              v-model:value="deployModel.envs[env.name]"
-              :placeholder="env.default || ''"
-            />
-            <!-- Text 类型 (默认) -->
-            <n-input
-              v-else
-              v-model:value="deployModel.envs[env.name]"
-              :placeholder="env.default || ''"
+              :value="selectedCompose"
+              :options="composeOptions"
+              :loading="composeListLoading"
+              :placeholder="$gettext('Select a compose to update')"
+              filterable
+              @update:value="handleComposeSelect"
             />
           </n-form-item>
-        </n-form>
-      </n-tab-pane>
 
-      <!-- Compose 预览 -->
-      <n-tab-pane name="compose" :tab="$gettext('Compose Preview')">
-        <common-editor :value="template?.compose || ''" lang="yaml" height="50vh" read-only />
-      </n-tab-pane>
-    </n-tabs>
+          <n-divider title-placement="left">{{ $gettext('Deploy Options') }}</n-divider>
+
+          <n-row :gutter="[24, 0]">
+            <n-col :span="8">
+              <n-form-item path="autoStart" :label="$gettext('Auto Start')">
+                <n-switch v-model:value="deployModel.autoStart" />
+              </n-form-item>
+            </n-col>
+          </n-row>
+
+          <!-- 环境变量 -->
+          <template v-if="template?.environments?.length">
+            <n-divider title-placement="left">{{ $gettext('Environment Variables') }}</n-divider>
+
+            <n-form-item
+              v-for="env in template.environments"
+              :key="env.name"
+              :path="`envs.${env.name}`"
+              :label="env.description"
+              :required="env.default == ''"
+            >
+              <!-- Select 类型 -->
+              <n-select
+                v-if="env.type === 'select'"
+                v-model:value="deployModel.envs[env.name]"
+                :options="getSelectOptions(env)"
+                :placeholder="$gettext('Select value')"
+              />
+              <!-- Number/Port 类型 -->
+              <n-input-number
+                v-else-if="env.type === 'number' || env.type === 'port'"
+                v-model:value="deployModel.envs[env.name]"
+                :min="env.type === 'port' ? 1 : undefined"
+                :max="env.type === 'port' ? 65535 : undefined"
+                style="width: 100%"
+                :placeholder="String(env.default)"
+              />
+              <!-- Password 类型 -->
+              <n-input
+                v-else-if="env.type === 'password'"
+                v-model:value="deployModel.envs[env.name]"
+                type="password"
+                show-password-on="click"
+                :placeholder="String(env.default)"
+              />
+              <!-- URL 类型 -->
+              <n-input
+                v-else-if="env.type === 'url'"
+                v-model:value="deployModel.envs[env.name]"
+                :placeholder="String(env.default)"
+              />
+              <!-- Text 类型 (默认) -->
+              <n-input
+                v-else
+                v-model:value="deployModel.envs[env.name]"
+                :placeholder="String(env.default)"
+              />
+            </n-form-item>
+          </template>
+        </n-form>
+      </template>
+    </div>
+
+    <!-- 步骤3：预览和编辑 -->
+    <div v-else-if="currentStep === 3">
+      <n-tabs type="line" animated>
+        <n-tab-pane name="compose" :tab="$gettext('Compose File')">
+          <!-- 创建模式：普通编辑器 -->
+          <template v-if="deployMode === 'create'">
+            <common-editor v-model:value="finalCompose" lang="yaml" height="50vh" />
+          </template>
+          <!-- 更新模式：差异编辑器 -->
+          <template v-else>
+            <n-alert type="info" style="margin-bottom: 12px">
+              {{
+                $gettext(
+                  'Left side shows the original compose, right side shows the new compose. You can edit the right side.'
+                )
+              }}
+            </n-alert>
+            <diff-editor
+              v-if="selectedComposeData"
+              :original="selectedComposeData.compose"
+              v-model:modified="finalCompose"
+              lang="yaml"
+              height="50vh"
+            />
+          </template>
+        </n-tab-pane>
+
+        <n-tab-pane name="env" :tab="$gettext('Environment Variables')">
+          <n-dynamic-input
+            v-model:value="finalEnvs"
+            preset="pair"
+            :key-placeholder="$gettext('Variable Name')"
+            :value-placeholder="$gettext('Variable Value')"
+          />
+        </n-tab-pane>
+      </n-tabs>
+    </div>
+
+    <!-- 步骤4：确认 -->
+    <div v-else-if="currentStep === 4">
+      <n-descriptions :column="1" label-placement="left" bordered>
+        <n-descriptions-item :label="$gettext('Deploy Mode')">
+          <n-tag :type="deployMode === 'create' ? 'success' : 'info'">
+            {{ deployMode === 'create' ? $gettext('Create New') : $gettext('Update Existing') }}
+          </n-tag>
+        </n-descriptions-item>
+        <n-descriptions-item :label="$gettext('Compose Name')">
+          {{ deployMode === 'create' ? deployModel.name : selectedCompose }}
+        </n-descriptions-item>
+        <n-descriptions-item :label="$gettext('Auto Start')">
+          <n-tag :type="deployModel.autoStart ? 'success' : 'default'">
+            {{ deployModel.autoStart ? $gettext('Yes') : $gettext('No') }}
+          </n-tag>
+        </n-descriptions-item>
+        <n-descriptions-item v-if="deployMode === 'create'" :label="$gettext('Auto Firewall')">
+          <n-tag :type="deployModel.autoFirewall ? 'success' : 'default'">
+            {{ deployModel.autoFirewall ? $gettext('Yes') : $gettext('No') }}
+          </n-tag>
+        </n-descriptions-item>
+        <n-descriptions-item :label="$gettext('Environment Variables')">
+          {{ finalEnvs.length }} {{ $gettext('variables') }}
+        </n-descriptions-item>
+      </n-descriptions>
+
+      <n-divider />
+
+      <n-collapse>
+        <n-collapse-item :title="$gettext('Compose Content')" name="compose">
+          <common-editor :value="finalCompose" lang="yaml" height="30vh" read-only />
+        </n-collapse-item>
+      </n-collapse>
+    </div>
 
     <template #footer>
-      <n-flex justify="end">
-        <n-button @click="show = false" :disabled="doSubmit">
-          {{ $gettext('Cancel') }}
-        </n-button>
-        <n-button type="primary" :loading="doSubmit" :disabled="doSubmit" @click="handleSubmit">
-          {{ $gettext('Deploy') }}
+      <n-flex justify="space-between">
+        <n-button v-if="currentStep > 1" @click="handlePrev" :disabled="doSubmit">
+          {{ $gettext('Previous') }}
         </n-button>
+        <div v-else />
+
+        <n-flex>
+          <n-button @click="show = false" :disabled="doSubmit">
+            {{ $gettext('Cancel') }}
+          </n-button>
+          <n-button v-if="currentStep === 2" type="primary" @click="handleStep2Next">
+            {{ $gettext('Next') }}
+          </n-button>
+          <n-button v-else-if="currentStep === 3" type="primary" @click="handleStep3Next">
+            {{ $gettext('Next') }}
+          </n-button>
+          <n-button
+            v-else-if="currentStep === 4"
+            type="primary"
+            :loading="doSubmit"
+            :disabled="doSubmit"
+            @click="handleSubmit"
+          >
+            {{ deployMode === 'create' ? $gettext('Create') : $gettext('Update') }}
+          </n-button>
+        </n-flex>
       </n-flex>
     </template>
   </n-modal>
 
   <pty-terminal-modal
     v-model:show="upModal"
-    :title="$gettext('Starting Compose') + ' - ' + deployModel.name"
+    :title="
+      $gettext('Starting Compose') +
+      ' - ' +
+      (deployMode === 'create' ? deployModel.name : selectedCompose)
+    "
     :command="upCommand"
     @complete="handleUpComplete"
   />
diff --git a/web/src/views/app/TemplateView.vue b/web/src/views/app/TemplateView.vue
index ace48311..14b36e64 100644
--- a/web/src/views/app/TemplateView.vue
+++ b/web/src/views/app/TemplateView.vue
@@ -114,7 +114,7 @@ onMounted(() => {
                   size="small"
                 >
                   <template #icon>
-                    <icon-mdi-open-in-new />
+                    <i-mdi-open-in-new />
                   </template>
                 </n-button>
               </n-flex>