see 04/21 log

utilcode/build.gradle

@@ -36,5 +36,5 @@ dependencies {
     testCompile "com.google.truth:truth:$TRUTH_VERSION"
     testCompile "org.robolectric:robolectric:$ROBOLECTRIC_VERSION"
 }
-//apply from: "https://raw.githubusercontent.com/xiaopansky/android-library-publish-to-jcenter/master/bintrayUpload.gradle"
+apply from: "https://raw.githubusercontent.com/xiaopansky/android-library-publish-to-jcenter/master/bintrayUpload.gradle"
 //gradlew bintrayUpload

utilcode/src/main/java/com/blankj/utilcode/util/TimeUtils.java

@@ -1032,7 +1032,7 @@ public final class TimeUtils {
      * @return 与当前时间等于时间差的时间戳
      */
     public static long getMillisByNow(long timeSpan, @TimeConstants.Unit int unit) {
-        return getNowMills() + timeSpan2Millis(timeSpan, unit);
+        return getMillis(getNowMills(), timeSpan, unit);
     }
 
     /**
@@ -1069,7 +1069,7 @@ public final class TimeUtils {
      * @return 与当前时间等于时间差的时间字符串
      */
     public static String getStringByNow(long timeSpan, @TimeConstants.Unit int unit, String pattern) {
-        return millis2String(getNowMills() + timeSpan2Millis(timeSpan, unit), pattern);
+        return getString(getNowMills(), pattern, timeSpan, unit);
     }
 
     /**
@@ -1087,7 +1087,7 @@ public final class TimeUtils {
      * @return 与当前时间等于时间差的Date
      */
     public static Date getDateByNow(long timeSpan, @TimeConstants.Unit int unit) {
-        return millis2Date(getNowMills() + timeSpan2Millis(timeSpan, unit));
+        return getDate(getNowMills(), timeSpan, unit);
     }
 
     /**

utilcode/src/test/java/com/blankj/utilcode/util/TimeUtilsTest.java

@@ -24,6 +24,7 @@ public class TimeUtilsTest {
     long millis = 1470991049000L;
     Date timeDate = new Date(millis);
     String timeString = "2016-08-12 16:37:29";
+    String tomorrowTimeString = "2016-08-13 16:37:29";
     String myTimeString = "2016-08-12 16:37:29 中国标准时间";
     String timeString0 = "2016-08-12 16:00:00";
     String timeString1 = "2016-08-12 17:10:10";
@@ -93,6 +94,11 @@ public class TimeUtilsTest {
         System.out.println(getFriendlyTimeSpanByNow(System.currentTimeMillis() - 2 * TimeConstants.DAY));
     }
 
+    @Test
+    public void testGetString() throws Exception {
+        assertThat(tomorrowTimeString).isEqualTo(getString(millis, 1, TimeConstants.DAY));
+    }
+
     @Test
     public void testIsSameDay() throws Exception {
         System.out.println(isSameDay(System.currentTimeMillis()));