diff --git a/RuoYi-Vue/easycode-web/package-lock.json b/RuoYi-Vue/easycode-web/package-lock.json
index d1a5a7a..1c7e1be 100644
--- a/RuoYi-Vue/easycode-web/package-lock.json
+++ b/RuoYi-Vue/easycode-web/package-lock.json
@@ -18,6 +18,9 @@
         "@vitejs/plugin-vue": "^5.2.1",
         "sass": "^1.83.0",
         "vite": "^6.0.7"
+      },
+      "engines": {
+        "node": ">=20"
       }
     },
     "node_modules/@babel/helper-string-parser": {
diff --git a/RuoYi-Vue/easycode-web/package.json b/RuoYi-Vue/easycode-web/package.json
index 7bacd20..545efb2 100644
--- a/RuoYi-Vue/easycode-web/package.json
+++ b/RuoYi-Vue/easycode-web/package.json
@@ -8,6 +8,9 @@
     "build": "vite build",
     "preview": "vite preview --host 0.0.0.0"
   },
+  "engines": {
+    "node": ">=20"
+  },
   "dependencies": {
     "@element-plus/icons-vue": "^2.3.1",
     "axios": "^1.7.9",
diff --git a/RuoYi-Vue/easycode-web/src/components/AppHeader.vue b/RuoYi-Vue/easycode-web/src/components/AppHeader.vue
index 7642710..55b3b04 100644
--- a/RuoYi-Vue/easycode-web/src/components/AppHeader.vue
+++ b/RuoYi-Vue/easycode-web/src/components/AppHeader.vue
@@ -27,6 +27,7 @@
 import { computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { SwitchButton } from '@element-plus/icons-vue'
+import { logout } from '@/api/auth'
 import { getToken, getUser, removeToken } from '@/utils/auth'
 
 const router = useRouter()
@@ -41,9 +42,13 @@ const user = computed(() => {
 })
 const displayName = computed(() => user.value?.nickName || user.value?.userName || '已登录')
 
-function handleLogout() {
-  removeToken()
-  router.push('/')
+async function handleLogout() {
+  try {
+    await logout()
+  } finally {
+    removeToken()
+    router.push('/')
+  }
 }
 </script>
 
diff --git a/RuoYi-Vue/easycode-web/src/components/DatabaseDesigner.vue b/RuoYi-Vue/easycode-web/src/components/DatabaseDesigner.vue
index bc982d0..bd83c6a 100644
--- a/RuoYi-Vue/easycode-web/src/components/DatabaseDesigner.vue
+++ b/RuoYi-Vue/easycode-web/src/components/DatabaseDesigner.vue
@@ -132,6 +132,64 @@ watch(
   }
 )
 
+watch(
+  tables,
+  (nextTables) => {
+    nextTables.forEach(normalizeTable)
+  },
+  { deep: true, immediate: true }
+)
+
+function toPascalCase(value) {
+  return String(value || '')
+    .split(/[^A-Za-z0-9]+|_/)
+    .filter(Boolean)
+    .map((part) => part.charAt(0).toUpperCase() + part.slice(1))
+    .join('')
+}
+
+function toCamelCase(value) {
+  const pascal = toPascalCase(value)
+  return pascal ? pascal.charAt(0).toLowerCase() + pascal.slice(1) : ''
+}
+
+function javaTypeOf(columnType) {
+  const normalized = String(columnType || '').toLowerCase()
+  if (normalized.startsWith('bigint')) return 'Long'
+  if (normalized.startsWith('int')) return 'Integer'
+  if (normalized.startsWith('decimal')) return 'BigDecimal'
+  if (normalized === 'datetime' || normalized === 'date') return 'Date'
+  return 'String'
+}
+
+function normalizeTable(table) {
+  if (!table) return
+  table.className = toPascalCase(table.tableName)
+  table.moduleName = table.moduleName || 'system'
+  table.businessName = toCamelCase(table.tableName)
+  table.functionName = table.tableComment || table.tableName
+  table.tplCategory = table.tplCategory || 'crud'
+  table.tplWebType = table.tplWebType || 'element-plus'
+
+  const columns = Array.isArray(table.columns) ? table.columns : []
+  columns.forEach((column) => normalizeColumn(column))
+}
+
+function normalizeColumn(column) {
+  if (!column) return
+  column.javaField = toCamelCase(column.columnName)
+  column.javaType = javaTypeOf(column.columnType)
+  column.isPk = column.isPk === '1' ? '1' : '0'
+  column.isIncrement = column.isIncrement === '1' ? '1' : '0'
+  column.isRequired = column.isRequired === '1' ? '1' : '0'
+  column.isInsert = column.isInsert || '1'
+  column.isEdit = column.isEdit || '1'
+  column.isList = column.isList || '1'
+  column.isQuery = column.isQuery || '0'
+  column.queryType = column.queryType || 'EQ'
+  column.htmlType = column.htmlType || 'input'
+}
+
 function uid(prefix) {
   return `${prefix}_${Date.now()}_${Math.random().toString(16).slice(2)}`
 }
diff --git a/RuoYi-Vue/easycode-web/src/views/GenerateView.vue b/RuoYi-Vue/easycode-web/src/views/GenerateView.vue
index 9c1abc1..10880b0 100644
--- a/RuoYi-Vue/easycode-web/src/views/GenerateView.vue
+++ b/RuoYi-Vue/easycode-web/src/views/GenerateView.vue
@@ -146,7 +146,7 @@ async function handleGenerateDatabase() {
   }
 
   generating.value = true
-    errorMessage.value = ''
+  errorMessage.value = ''
   try {
     const id = await ensureProject()
     const result = await generateDatabase(id, {
diff --git a/RuoYi-Vue/easycode-web/src/views/PreviewView.vue b/RuoYi-Vue/easycode-web/src/views/PreviewView.vue
index 664ebf1..b366577 100644
--- a/RuoYi-Vue/easycode-web/src/views/PreviewView.vue
+++ b/RuoYi-Vue/easycode-web/src/views/PreviewView.vue
@@ -67,6 +67,14 @@ function normalizeNodes(nodes, prefix = '') {
   })
 }
 
+function pickCodeContent(data) {
+  if (typeof data === 'string') return data
+  if (!data || typeof data !== 'object') return ''
+  if (typeof data.content === 'string') return data.content
+  const firstValue = Object.values(data).find((value) => typeof value === 'string')
+  return firstValue || ''
+}
+
 async function loadType(type) {
   const result = await getProjectStructure(projectId.value, type)
   const data = unwrap(result)
@@ -96,7 +104,7 @@ async function handleFileSelect(file) {
       category: file.category || file.path || file.label
     })
     const data = unwrap(result)
-    code.value = typeof data === 'string' ? data : data.content || ''
+    code.value = pickCodeContent(data)
   } catch (error) {
     ElMessage.error(error.message || '加载文件内容失败')
   } finally {