diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4722506
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/test
+*.exe
\ No newline at end of file
diff --git a/as1/.gitignore b/as1/.gitignore
new file mode 100644
index 0000000..4722506
--- /dev/null
+++ b/as1/.gitignore
@@ -0,0 +1,2 @@
+/test
+*.exe
\ No newline at end of file
diff --git a/as1/Fraction_test.cpp b/as1/Fraction_test.cpp
index 72c150c..25a943f 100644
--- a/as1/Fraction_test.cpp
+++ b/as1/Fraction_test.cpp
@@ -9,7 +9,7 @@ int main()
     Fraction b(3,-4);
     Fraction c(5);
     Fraction d(-3.14);
-    Fraction e = 1.3333;
+    Fraction e = 1.333333;
     Fraction f = -b;
 
 
@@ -78,6 +78,12 @@ int main()
     cout << "; b = " << b << endl << endl;
 
 
+    cout << "b += c; b = " << (b+=c) << endl;
+    cout << "b -= c; b = " << (b-=c) << endl;
+    cout << "b *= c; b = " << (b*=c) << endl;
+    cout << "b /= c; b = " << (b/=c) << endl << endl;
+
+
     cout << "if b > c ?? " << ((b>c)? "Yes" : "No") << endl;
     cout << "if b < c ?? " << ((b<c)? "Yes" : "No") << endl;
     cout << "if b >= c ?? " << ((b>=c)? "Yes" : "No") << endl;
@@ -87,11 +93,6 @@ int main()
     cout << "if b != c ?? " << ((b!=c)? "Yes" : "No") << endl << endl;
 
 
-    cout << "b += c; b = " << (b+=c) << endl;
-    cout << "b -= c; b = " << (b-=c) << endl;
-    cout << "b *= c; b = " << (b*=c) << endl;
-    cout << "b /= c; b = " << (b/=c) << endl << endl;
-
     cout << "Devide 0 test: ";
 
     try{
@@ -100,14 +101,21 @@ int main()
         cout << msg << endl;
     }
 
+    cout << endl << "************ This is the END of TEST section !! ************" << endl << endl;
+    cout << "Have a try by YOURSELF!!    (Press Ctrl+C to quit)" << endl;
+
     while(1){
-    try{
-        cout << endl << "Please Input a Fraction(-3/5) or a Decimals(e.g. 3.14): ";
-        cin >> a;
-        cout << a << endl;
-    }catch(const char* msg){
-        cout << endl << msg << endl;
-    }}
+
+        try{
+            cout << endl << "Please Input a Fraction(-3/5) or a Decimals(e.g. 3.14): ";
+            cin >> a;
+            cout << a << endl;
+        }catch(const char* msg){
+            cout << endl << msg << endl;
+        }
+
+
+    }
     
     return 0;
 }
\ No newline at end of file
diff --git a/as1/README.md b/as1/README.md
new file mode 100644
index 0000000..9575d23
--- /dev/null
+++ b/as1/README.md
@@ -0,0 +1,12 @@
+## How to begin
+Please execute the compilergcc.bat to compile.<br/>
+
+Or you can install gcc manually and use the following command to compile.
+````
+$ g++ -O2 -o same_vec same_vec.cpp
+$ g++ -O2 -o Fraction_test Fraction_test.cpp Fraction.h
+````
+
+## gcc Download url
+**For windows**
+https://yimian-setup.obs.myhwclouds.com/setup/tdm64-gcc-5.1.0-2.exe
diff --git a/as1/compilergcc.bat b/as1/compilergcc.bat
new file mode 100644
index 0000000..4ea49cf
--- /dev/null
+++ b/as1/compilergcc.bat
@@ -0,0 +1,38 @@
+@echo off
+where g++>nul
+cls
+if errorlevel 1 (
+echo gcc NOT FOUND in your computer!!
+echo Press any key to start installation!
+pause>nul
+goto install
+) else (
+echo Detected gcc Environment..
+echo Start to compile!!
+goto compile
+)
+
+
+
+:install
+cls
+echo Please download and run the gcc install program.
+ping 127.0.0.1 >nul
+start https://yimian-setup.obs.myhwclouds.com/setup/tdm64-gcc-5.1.0-2.exe
+ping 127.0.0.1 >nul
+cls
+echo After install, Please restart this script to compile!!&&pause&&exit
+
+
+:compile
+cls
+echo compiling...
+g++ -O2 -o same_vec same_vec.cpp
+g++ -O2 -o Fraction_test Fraction_test.cpp Fraction.h
+cls
+echo compile finished! The program is in current folder!
+pause
+
+exit
+
+