Write an explanation about the arg of commandline in the readme.

Readme.md

@@ -2,4 +2,10 @@
 - The project need to set a Aurora_DIR path in the cmake command line.
 ```shell
 cmake .. -DAurora_DIR=/path/to/AuroraConfig.cmake/
+
+Arguments:
+dataPath      the input data path to reconstruction.
+dataRefPath   the empty water data path to reconstruction.(If you don not want to use it, you can input "")
+outPut        the out put file path.(Default: /home/UR/ReconResult/USCT_Result.mat)
+configPath    the config file path(Default: /home/UR/ConfigFiles/)
 ```

src/common/fileHelper.h

@@ -5,8 +5,8 @@
 
 namespace Recon
 {
-    const std::string DEFAULT_CONFIG_PATH = "/home/sun/UR/build/";
-    const std::string DEFAULT_OUTPUT_PATH = "/home/sun/USCT_Result.mat";
+    const std::string DEFAULT_CONFIG_PATH = "/home/UR/ConfigFiles/";
+    const std::string DEFAULT_OUTPUT_PATH = "/home/UR/ReconResult/USCT_Result.mat";
     const std::string DEFAULT_OUTPUT_FILENAME = "USCT_Result.mat";
 
     std::string getPath(const std::string &aFullPath);