diff --git a/src/main/java/com/Others/FastPower.java b/src/main/java/com/others/FastPower.java
similarity index 100%
rename from src/main/java/com/Others/FastPower.java
rename to src/main/java/com/others/FastPower.java
diff --git a/src/test/java/com/others/FastPowerTest.java b/src/test/java/com/others/FastPowerTest.java
new file mode 100644
index 00000000..af38477f
--- /dev/null
+++ b/src/test/java/com/others/FastPowerTest.java
@@ -0,0 +1,9 @@
+package src.test.java.com.others;
+
+/**
+ * @author bingo
+ * @since 2019/5/10
+ */
+
+public class FastPowerTest {
+}
diff --git a/src/main/java/com/Others/FastPowerTest.java b/src/test/java/com/others/FastPowerTest.java___jb_tmp___
similarity index 52%
rename from src/main/java/com/Others/FastPowerTest.java
rename to src/test/java/com/others/FastPowerTest.java___jb_tmp___
index bd61704b..4a086562 100644
--- a/src/main/java/com/Others/FastPowerTest.java
+++ b/src/test/java/com/others/FastPowerTest.java___jb_tmp___
@@ -1,6 +1,7 @@
-package src.main.java.com.Others;
+package src.test.java.com.others;
 
-import org.junit.*;
+import org.junit.Test;
+import src.main.java.com.others.FastPower;
 
 import java.math.BigInteger;
 
@@ -8,23 +9,25 @@ import static org.junit.Assert.*;
 
 public class FastPowerTest {
 
-    void testLong(long n, long k, long m){
-        long result = FastPower.calculate(n,k,m);
+    @Test
+    void testLong(long n, long k, long m) {
+        long result = FastPower.calculate(n, k, m);
         assertEquals(result, BigInteger.valueOf(n).modPow(BigInteger.valueOf(k), BigInteger.valueOf(m)).longValue());
     }
 
-    void testBigInteger(BigInteger n, BigInteger k, BigInteger m){
-        BigInteger result = FastPower.calculate(n,k,m);
-        assertEquals(result, n.modPow(k,m));
+    @Test
+    void testBigInteger(BigInteger n, BigInteger k, BigInteger m) {
+        BigInteger result = FastPower.calculate(n, k, m);
+        assertEquals(result, n.modPow(k, m));
     }
 
     @Test
     public void test() {
-        testLong(2,2,10);
-        testLong(100,1000,20);
-        testLong(123456,123456789,234);
+        testLong(2, 2, 10);
+        testLong(100, 1000, 20);
+        testLong(123456, 123456789, 234);
 
-        testBigInteger(BigInteger.TEN,BigInteger.TEN, BigInteger.valueOf(4));
+        testBigInteger(BigInteger.TEN, BigInteger.TEN, BigInteger.valueOf(4));
         testBigInteger(new BigInteger("123456"), new BigInteger("123456789"), new BigInteger("234"));
         testBigInteger(new BigInteger("123456789101112"), new BigInteger("12345678910111213"), new BigInteger("567890"));