diff --git a/app/Services/ImService.php b/app/Services/ImService.php
index 6c14107..246a98e 100644
--- a/app/Services/ImService.php
+++ b/app/Services/ImService.php
@@ -978,7 +978,7 @@ class ImService extends BaseService
             $message_content_data = array();
             $message_content_data['message_type'] = 16;
             $message_content_data['title'] = "";
-            $message_content_data['desc'] = "您和患者已约定于<text class='tipColor'>{$date}</text>进行视频问诊，请提前进入聊天页面，在约定时间发起视频";
+            $message_content_data['desc'] = "您和患者已约定于" . "<text class= " . '"tipColor"' . ">" . $date . "</text>进行视频问诊，请提前进入聊天页面，在约定时间发起视频";
             $message_content = [
                 'Data' => json_encode($message_content_data, JSON_UNESCAPED_UNICODE),
             ];
@@ -1017,7 +1017,7 @@ class ImService extends BaseService
             $message_content_data = array();
             $message_content_data['message_type'] = 16;
             $message_content_data['title'] = "";
-            $message_content_data['desc'] = "您和患者重新约定于<text class='tipColor'>{$date}</text>进行视频问诊，请提前进入聊天页面，再约定时间发起视频";
+            $message_content_data['desc'] = "您和患者重新约定于" . "<text class= " . '"tipColor"' . ">" . $date . "</text>进行视频问诊，请提前进入聊天页面，再约定时间发起视频";
             $message_content = [
                 'Data' => json_encode($message_content_data, JSON_UNESCAPED_UNICODE),
             ];
@@ -1056,7 +1056,7 @@ class ImService extends BaseService
             $message_content_data = array();
             $message_content_data['message_type'] = 17;
             $message_content_data['title'] = "";
-            $message_content_data['desc'] = "您和医生已约定于<text class='tipColor'>{$date}</text>进行视频问诊，请提前进入聊天页面，准备接听。";
+            $message_content_data['desc'] = "您和医生已约定于" . "<text class= " . '"tipColor"' . ">" . $date . "</text>进行视频问诊，请提前进入聊天页面，准备接听。";
             $message_content = [
                 'Data' => json_encode($message_content_data, JSON_UNESCAPED_UNICODE),
             ];
@@ -1095,7 +1095,7 @@ class ImService extends BaseService
             $message_content_data = array();
             $message_content_data['message_type'] = 17;
             $message_content_data['title'] = "";
-            $message_content_data['desc'] = "您和医生重新约定于<text class='tipColor'>{$date}</text>进行视频问诊，请提前进入聊天页面，准备接听。";
+            $message_content_data['desc'] = "您和医生重新约定于" . "<text class= " . '"tipColor"' . ">" . $date . "</text>进行视频问诊，请提前进入聊天页面，准备接听。";
             $message_content = [
                 'Data' => json_encode($message_content_data, JSON_UNESCAPED_UNICODE),
             ];