修复数据为空会报错的bug

@@ -32,7 +32,7 @@ class HomeController extends AbstractAction
         }
 
         $action = $this->getRequest()->getActionName();
-        if (!$this->_uid && $action !== 'index' && $this->isAjax()) {
+        if (!$this->_uid && $action !== 'index' && !$this->isAjax()) {
             $this->go(Helpers::url('/signin.html'));
         }
 

@@ -33,7 +33,7 @@ class UserModel
 		$userData = UserData::userData($uid);
 
 		// 处理个人详情数
-		if (!isset($userData['code'])) {
+		if ($userData && !isset($userData['code'])) {
 			$result = $userData;
 			$result['gender'] = $result['gender'] == 1 ? '男' : '女';
 			$result['head_ico'] = $result['head_ico'] ? Images::getImageUrl($result['head_ico'], 128, 128) : '';
@@ -103,7 +103,7 @@ class UserModel
 		}
 		// 有货币数量
 		$coinNum = UserData::yohoCoinData($uid);
-		if(!isset($coinNum['code'])) {
+		if($coinNum && !isset($coinNum['code'])) {
 			$result['yoho_coin_num'] = $coinNum;
 		}
 
@@ -354,7 +354,7 @@ class UserModel
 		$address = UserData::addressData($uid);
 
 		// 处理地址数据
-		if (!isset($address['code'])) {
+		if ($address && !isset($address['code'])) {
 			$result = $address;
 		}