diff --git a/MZTimerLabel/MZTimerLabel.h b/MZTimerLabel/MZTimerLabel.h
index 5895aec..0a3c8f8 100644
--- a/MZTimerLabel/MZTimerLabel.h
+++ b/MZTimerLabel/MZTimerLabel.h
@@ -72,7 +72,7 @@ typedef enum{
 @property (nonatomic,copy) NSString *timeFormat;
 
 /*Target label obejct, default self if you do not initWithLabel nor set*/
-@property (nonatomic,strong) UILabel *timeLabel;
+@property (nonatomic,weak) UILabel *timeLabel;
 
 /*Used for replace text in range */
 @property (nonatomic, assign) NSRange textRange;
@@ -110,6 +110,7 @@ typedef enum{
 #endif
 -(void)pause;
 -(void)reset;
+- (void)cleanTimerLabel;
 
 /*--------Setter methods*/
 -(void)setCountDownTime:(NSTimeInterval)time;
diff --git a/MZTimerLabel/MZTimerLabel.m b/MZTimerLabel/MZTimerLabel.m
index ee33133..ea01b11 100644
--- a/MZTimerLabel/MZTimerLabel.m
+++ b/MZTimerLabel/MZTimerLabel.m
@@ -101,7 +101,14 @@ - (id)initWithCoder:(NSCoder *)aDecoder
 
 #pragma mark - Cleanup
 
-- (void) removeFromSuperview {
+- (void)cleanTimerLabel {
+    if (_timer) {
+        [_timer invalidate];
+        _timer = nil;
+    }
+}
+
+- (void)removeFromSuperview {
     if (_timer) {
         [_timer invalidate];
         _timer = nil;
@@ -126,6 +133,7 @@ - (void)setCountDownTime:(NSTimeInterval)time{
     
     timeUserValue = (time < 0)? 0 : time;
     timeToCountOff = [date1970 dateByAddingTimeInterval:timeUserValue];
+    timeToCountOff = [timeToCountOff dateByAddingTimeInterval:0.99];
     [self updateLabel];
 }