Fix #210

@@ -76,15 +76,12 @@
   
   
   if (_showLabel) {
   if (_showLabel) {
     [self __addYCoordinateLabelsValues];
     [self __addYCoordinateLabelsValues];
+  } else {
+    [self processYMaxValue];
   }
   }
 }
 }
 
 
-#pragma mark - Private Method
-#pragma mark - 添加柱状图的Y轴坐标
-- (void)__addYCoordinateLabelsValues{
-  
-  [self viewCleanupForCollection:_yChartLabels];
-  
+- (void)processYMaxValue {
     NSArray *yAxisValues = _yLabels ? _yLabels : _yValues;
     NSArray *yAxisValues = _yLabels ? _yLabels : _yValues;
     _yLabelSum = _yLabels ? _yLabels.count - 1 :_yLabelSum;
     _yLabelSum = _yLabels ? _yLabels.count - 1 :_yLabelSum;
     if (_yMaxValue) {
     if (_yMaxValue) {
@@ -97,6 +94,15 @@
         _yLabelSum = yAxisValues.count;
         _yLabelSum = yAxisValues.count;
         (_yLabelSum % 2 == 0) ? _yLabelSum : _yLabelSum++;
         (_yLabelSum % 2 == 0) ? _yLabelSum : _yLabelSum++;
     }
     }
+}
+
+#pragma mark - Private Method
+#pragma mark - 添加柱状图的Y轴坐标
+- (void)__addYCoordinateLabelsValues{
+  
+  [self viewCleanupForCollection:_yChartLabels];
+  
+  [self processYMaxValue];
   
   
   float sectionHeight = (self.frame.size.height - _chartMargin * 2 - kXLabelHeight) / _yLabelSum;
   float sectionHeight = (self.frame.size.height - _chartMargin * 2 - kXLabelHeight) / _yLabelSum;
   for (int i = 0; i <= _yLabelSum; i++) {
   for (int i = 0; i <= _yLabelSum; i++) {

@@ -94,6 +94,7 @@
         self.titleLabel.text = @"Bar Chart";
         self.titleLabel.text = @"Bar Chart";
         
         
         self.barChart = [[PNBarChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
         self.barChart = [[PNBarChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
+        self.barChart.showLabel = NO;
         self.barChart.backgroundColor = [UIColor clearColor];
         self.barChart.backgroundColor = [UIColor clearColor];
         self.barChart.yLabelFormatter = ^(CGFloat yValue){
         self.barChart.yLabelFormatter = ^(CGFloat yValue){
             CGFloat yValueParsed = yValue;
             CGFloat yValueParsed = yValue;
@@ -108,6 +109,7 @@
         [self.barChart setStrokeColors:@[PNGreen,PNGreen,PNRed,PNGreen,PNGreen,PNGreen,PNRed,PNGreen]];
         [self.barChart setStrokeColors:@[PNGreen,PNGreen,PNRed,PNGreen,PNGreen,PNGreen,PNRed,PNGreen]];
         self.barChart.isGradientShow = NO;
         self.barChart.isGradientShow = NO;
         self.barChart.isShowNumbers = NO;
         self.barChart.isShowNumbers = NO;
+
         [self.barChart strokeChart];
         [self.barChart strokeChart];
         
         
         self.barChart.delegate = self;
         self.barChart.delegate = self;