diff --git a/components/Svn.php b/components/Svn.php
index 1f4324ca..cf985906 100644
--- a/components/Svn.php
+++ b/components/Svn.php
@@ -45,7 +45,9 @@ public function updateToVersion($task) {
         foreach ($copy as $file) {
             $fileAndVersion[] = StringHelper::explode($file, " ", true, true);
         }
-        $branch = $task->branch == 'trunk' ? $task->branch
+        // 兼容无trunk、无branches、无tags下为空
+        $branch = ($task->branch == 'trunk' || $task->branch == '')
+            ? $task->branch
             : ($this->getConfig()->repo_mode == Project::REPO_BRANCH ? 'branches/' : 'tags/') . $task->branch;
         // 先更新
         $versionSvnDir = sprintf('%s-svn', rtrim(Project::getDeployWorkspace($task->link_id), '/'));
@@ -75,26 +77,34 @@ public function updateToVersion($task) {
      * @return array
      */
     public function getBranchList() {
+        // 更新
+        $this->updateRepo();
         $list = [];
         $branchDir = 'tags';
         if ($this->getConfig()->repo_mode == Project::REPO_BRANCH) {
-            $list[] = [
-                'id' => 'trunk',
-                'message' => 'trunk',
-            ];
             $branchDir = 'branches';
+            $trunkDir  = sprintf("%s/trunk", rtrim(Project::getDeployFromDir(), '/'));
+
+            if (file_exists($trunkDir)) {
+                $list[] = [
+                    'id' => 'trunk',
+                    'message' => 'trunk',
+                ];
+            } else {
+                $list[] = [
+                    'id' => '',
+                    'message' => \yii::t('w', 'default trunk'),
+                ];
+            }
         }
-        $svnType = sprintf("%s/%s", rtrim(Project::getDeployFromDir(), '/'), $branchDir);
-
-        // 更新
-        $this->updateRepo();
+        $branchDir = sprintf("%s/%s", rtrim(Project::getDeployFromDir(), '/'), $branchDir);
 
         // 如果不存在branches目录，则跳过查找其它分支
-        if (!file_exists($svnType)) {
+        if (!file_exists($branchDir)) {
             return $list;
         }
 
-        $branches = new \DirectoryIterator($svnType);
+        $branches = new \DirectoryIterator($branchDir);
         foreach ($branches as $branch) {
             $name = $branch->__toString();
             if ($branch->isDot() || $branch->isFile()) continue;
@@ -113,7 +123,7 @@ public function getBranchList() {
      *
      * @return array
      */
-    public function getCommitList($branch = 'master', $count = 30) {
+    public function getCommitList($branch = 'trunk', $count = 30) {
         // 先更新
         $destination = Project::getDeployFromDir();
         $this->updateRepo($branch, $destination);
@@ -219,7 +229,8 @@ public static function formatXmlLog($xmlString) {
 
     public static function getBranchDir($branch, $tag = false) {
         $svnDir = Project::getDeployFromDir();
-        $branchDir = $branch == 'trunk' && !$tag
+        // 兼容无trunk、无branches、无tags下为空
+        $branchDir = ($branch == '' || $branch == 'trunk') && !$tag
             ? $branch
             : ($tag ? 'tags/'.$branch : 'branches/'.$branch);
         return sprintf('%s/%s', $svnDir, $branchDir);
diff --git a/messages/en/w.php b/messages/en/w.php
index 5c9bf821..0bdb0909 100644
--- a/messages/en/w.php
+++ b/messages/en/w.php
@@ -25,6 +25,7 @@
     'conf_level_2' => 'Pre-Release',
     'conf_level_3' => 'Production',
 
+    'default trunk' => 'default no trunk',
     'conf_status_0' => 'Invalid',
     'conf_status_1' => 'Valid',
     'conf_audit_0' => 'Yes',
diff --git a/messages/zh/w.php b/messages/zh/w.php
index 1ea02e16..7b893245 100644
--- a/messages/zh/w.php
+++ b/messages/zh/w.php
@@ -25,6 +25,7 @@
     'conf_level_2' => '预发布环境',
     'conf_level_3' => '线上环境',
 
+    'default trunk' => '默认无trunk',
     'conf_status_0' => '无效',
     'conf_status_1' => '有效',
     'conf_audit_0' => '是',
diff --git a/views/task/submit-svn.php b/views/task/submit-svn.php
index 97c25b79..6a314711 100644
--- a/views/task/submit-svn.php
+++ b/views/task/submit-svn.php
@@ -170,7 +170,7 @@ function getChangeFiles(projectId, branch, start, end) {
         getBranchList();
         // 页面加载完默认拉取trunk
         if ($('#branch').val()) {
-            getCommitList();
+           // getCommitList();
         }