diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 8874bb42..8887e4ac 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -434,16 +434,18 @@ bool CPhoneDevice::SelfTest(std::string& result)
 {
     result.clear();
 
+    const char* ITEM_SEP = "\t"; //
     unsigned int numberOfChannels = 0;
 
-    result += "设备自检 版本:" + GetVersion() + NEW_LINE_TAG;
+    result += "设备自检 版本:" + GetVersion() + ITEM_SEP;
 
     Json::Value appConfig = Json::objectValue;
     std::vector<unsigned char> content;
     std::string filePath = m_appPath + (APP_DATA_DIR DIR_SEP_STR APP_FILE_NAME_APP_CONF);
     if (!readFile(filePath, content))
     {
-        result += ("读取系统配置文件App.json失败" NEW_LINE_TAG);
+        result += "读取系统配置文件App.json失败";
+        result += ITEM_SEP;
     }
     else
     {
@@ -457,16 +459,16 @@ bool CPhoneDevice::SelfTest(std::string& result)
             if (GetJSONUInt32Value(appConfig, "channels", val) && (val > 0 && val <= 255))
             {
                 numberOfChannels = val;
-                result += "通道数：" + std::to_string(numberOfChannels) + NEW_LINE_TAG;
+                result += "通道数：" + std::to_string(numberOfChannels) + ITEM_SEP;
             }
             else
             {
-                result += "通道数未定义或者无效" NEW_LINE_TAG;
+                result += "通道数未定义或者无效" + std::string(ITEM_SEP);
             }
         }
         else
         {
-            result += "解析系统配置文件App.json失败" NEW_LINE_TAG;
+            result += "解析系统配置文件App.json失败" + std::string(ITEM_SEP);
         }
     }
 
@@ -481,7 +483,7 @@ bool CPhoneDevice::SelfTest(std::string& result)
         filePath = m_appPath + (APP_DATA_DIR DIR_SEP_STR APP_FILE_NAME_APP_CONF);
         if (!readFile(filePath, content))
         {
-            result += "读取通道" + std::to_string(channel) + "配置文件失败" NEW_LINE_TAG;
+            result += "读取通道" + std::to_string(channel) + "配置文件失败" + std::string(ITEM_SEP);
         }
         else
         {
@@ -494,17 +496,17 @@ bool CPhoneDevice::SelfTest(std::string& result)
                 GetJSONUInt8Value(channelCfg, "usbCamera", usbCamera);
                 if (GetJSONUInt8Value(channelCfg, "cameraId", cameraId))
                 {
-                    result += "通道" + std::to_string(channel) + " Camera ID为 " + std::to_string(cameraId) + NEW_LINE_TAG;
+                    result += "通道" + std::to_string(channel) + " Camera ID为 " + std::to_string(cameraId) + ITEM_SEP;
                 }
                 else
                 {
                     cameraId = channel - 1;
-                    result += "通道" + std::to_string(channel) + "未定义Camera ID, 使用默认值 " + std::to_string(cameraId) + NEW_LINE_TAG;
+                    result += "通道" + std::to_string(channel) + "未定义Camera ID, 使用默认值 " + std::to_string(cameraId) + ITEM_SEP;
                 }
             }
             else
             {
-                result += "解析通道" + std::to_string(channel) + "配置文件App.json失败" NEW_LINE_TAG;
+                result += "解析通道" + std::to_string(channel) + "配置文件App.json失败" + std::string(ITEM_SEP);
             }
         }
 
@@ -526,11 +528,11 @@ bool CPhoneDevice::SelfTest(std::string& result)
         }
         if (res == 0)
         {
-            result += "通道" + std::to_string(channel) + "正常：最大分辨率：" + std::to_string(width) + "x" + std::to_string(height) + NEW_LINE_TAG;
+            result += "通道" + std::to_string(channel) + "正常：最大分辨率：" + std::to_string(width) + "x" + std::to_string(height) + ITEM_SEP;
         }
         else
         {
-            result += "通道" + std::to_string(channel) + " 异常 err=" + std::to_string(res) + NEW_LINE_TAG;
+            result += "通道" + std::to_string(channel) + " 异常 err=" + std::to_string(res) + ITEM_SEP;
         }
     }
 
@@ -538,19 +540,19 @@ bool CPhoneDevice::SelfTest(std::string& result)
     if (bv > 0)
     {
         bv -= bv % 100;
-        result += std::string("电池电压：") + std::to_string(bv / 1000) + std::string(".") + std::to_string((bv % 1000) / 100) + NEW_LINE_TAG;
+        result += std::string("电池电压：") + std::to_string(bv / 1000) + std::string(".") + std::to_string((bv % 1000) / 100) + ITEM_SEP;
     }
 
     fs::space_info si = fs::space("/data");
     double fr = ((double)si.available * 100.0f) / ((double)si.capacity);
     result += "可用存储：";
     result += std::to_string((int)fr);
-    result += "%%" NEW_LINE_TAG;
+    result += "%%" + std::string(ITEM_SEP);
 
     long fm = android_os_Process_getFreeMemory();
     long tm = android_os_Process_getTotalMemory();
     double fmp = ((double)fm * 100.0f) / ((double)tm);
-    result += std::string("可用内存：") + std::to_string((int)fmp) + std::string("%%" NEW_LINE_TAG);
+    result += std::string("可用内存：") + std::to_string((int)fmp) + std::string("%%") + ITEM_SEP;
 
     if (!m_tfCardPath.empty())
     {
@@ -558,12 +560,12 @@ bool CPhoneDevice::SelfTest(std::string& result)
         double fr2 = ((double)si2.available * 100.0f) / ((double)si2.capacity);
         result += "TF卡可用空间：";
         result += std::to_string((int)fr2);
-        result += "%%" NEW_LINE_TAG;
+        result += "%%" + std::string(ITEM_SEP);
     }
 
     result += "4G信号强度：";
     result += std::to_string(m_signalLevel);
-    result += NEW_LINE_TAG;
+    result += ITEM_SEP;
 
     result += "网络接口：";
     std::vector<std::string> devices;
@@ -573,7 +575,7 @@ bool CPhoneDevice::SelfTest(std::string& result)
         result += (*it);
         result += " ";
     }
-    // result += NEW_LINE_TAG;
+    // result += ITEM_SEP;
 
     return true;
 }