diff --git a/ios/sdk/WeexSDK/Sources/Component/WXComponent_internal.h b/ios/sdk/WeexSDK/Sources/Component/WXComponent_internal.h
index c58a7967d5..e124c5bc18 100644
--- a/ios/sdk/WeexSDK/Sources/Component/WXComponent_internal.h
+++ b/ios/sdk/WeexSDK/Sources/Component/WXComponent_internal.h
@@ -49,7 +49,7 @@ typedef id (^WXDataBindingBlock)(NSDictionary *data, BOOL *needUpdate);
     /**
      *  View
      */
-    UIColor *_backgroundColor;
+    uint32_t _backgroundColor;
     NSString *_backgroundImage;
     NSString *_clipRadius;
     WXClipType _clipToBounds;
@@ -114,10 +114,10 @@ typedef id (^WXDataBindingBlock)(NSDictionary *data, BOOL *needUpdate);
     BOOL _isCompositingChild;
     WXThreadSafeCounter *_displayCounter;
     
-    UIColor *_borderTopColor;
-    UIColor *_borderRightColor;
-    UIColor *_borderLeftColor;
-    UIColor *_borderBottomColor;
+    uint32_t _borderTopColor;
+    uint32_t _borderRightColor;
+    uint32_t _borderLeftColor;
+    uint32_t _borderBottomColor;
     
     CGFloat _borderTopWidth;
     CGFloat _borderRightWidth;
diff --git a/ios/sdk/WeexSDK/Sources/Display/WXComponent+Display.m b/ios/sdk/WeexSDK/Sources/Display/WXComponent+Display.m
index 9acb01089c..c4eb81f25e 100644
--- a/ios/sdk/WeexSDK/Sources/Display/WXComponent+Display.m
+++ b/ios/sdk/WeexSDK/Sources/Display/WXComponent+Display.m
@@ -28,6 +28,7 @@
 #import "UIBezierPath+Weex.h"
 #import "WXRoundedRect.h"
 #import "WXSDKInstance.h"
+#import "WXConvert.h"
 
 #pragma clang diagnostic ignored "-Wobjc-protocol-method-implementation"
 
@@ -289,7 +290,7 @@ - (WXDisplayBlock)_compositeDisplayBlock
 - (void)_collectCompositingDisplayBlocks:(NSMutableArray *)displayBlocks context:(CGContextRef)context isCancelled:(BOOL(^)(void))isCancelled
 {
     // TODO: compositingChild has no chance to applyPropertiesToView, need update here?
-    UIColor *backgroundColor = _backgroundColor;
+    UIColor *backgroundColor = [WXConvert UIColorFromRGBA:_backgroundColor];
     BOOL clipsToBounds = _clipToBounds;
     CGRect frame = self.calculatedFrame;
     CGRect bounds = CGRectMake(0, 0, frame.size.width, frame.size.height);
@@ -349,8 +350,9 @@ - (void)_drawBorderWithContext:(CGContextRef)context size:(CGSize)size
     
     CGContextSetAlpha(context, _opacity);
     // fill background color
-    if (_backgroundColor && CGColorGetAlpha(_backgroundColor.CGColor) > 0) {
-        CGContextSetFillColorWithColor(context, _backgroundColor.CGColor);
+    UIColor* backgroundColor = [WXConvert UIColorFromRGBA:_backgroundColor];
+    if (CGColorGetAlpha(backgroundColor.CGColor) > 0) {
+        CGContextSetFillColorWithColor(context, backgroundColor.CGColor);
         UIBezierPath *bezierPath = [UIBezierPath wx_bezierPathWithRoundedRect:rect topLeft:topLeft topRight:topRight bottomLeft:bottomLeft bottomRight:bottomRight];
         [bezierPath fill];
         WXPerformBlockOnMainThread(^{
@@ -367,7 +369,7 @@ - (void)_drawBorderWithContext:(CGContextRef)context size:(CGSize)size
             CGContextSetLineDash(context, 0, 0, 0);
         }
         CGContextSetLineWidth(context, _borderTopWidth);
-        CGContextSetStrokeColorWithColor(context, _borderTopColor.CGColor);
+        CGContextSetStrokeColorWithColor(context, [WXConvert UIColorFromRGBA:_borderTopColor].CGColor);
         CGContextAddArc(context, size.width-topRight, topRight, topRight-_borderTopWidth/2, -M_PI_4+(_borderRightWidth>0?0:M_PI_4), -M_PI_2, 1);
         CGContextMoveToPoint(context, size.width-topRight, _borderTopWidth/2);
         CGContextAddLineToPoint(context, topLeft, _borderTopWidth/2);
@@ -388,7 +390,7 @@ - (void)_drawBorderWithContext:(CGContextRef)context size:(CGSize)size
             CGContextSetLineDash(context, 0, 0, 0);
         }
         CGContextSetLineWidth(context, _borderLeftWidth);
-        CGContextSetStrokeColorWithColor(context, _borderLeftColor.CGColor);
+        CGContextSetStrokeColorWithColor(context, [WXConvert UIColorFromRGBA:_borderLeftColor].CGColor);
         CGContextAddArc(context, topLeft, topLeft, topLeft-_borderLeftWidth/2, -M_PI, -M_PI_2-M_PI_4+(_borderTopWidth > 0?0:M_PI_4), 0);
         CGContextMoveToPoint(context, _borderLeftWidth/2, topLeft);
         CGContextAddLineToPoint(context, _borderLeftWidth/2, size.height-bottomLeft);
@@ -409,7 +411,7 @@ - (void)_drawBorderWithContext:(CGContextRef)context size:(CGSize)size
             CGContextSetLineDash(context, 0, 0, 0);
         }
         CGContextSetLineWidth(context, _borderBottomWidth);
-        CGContextSetStrokeColorWithColor(context, _borderBottomColor.CGColor);
+        CGContextSetStrokeColorWithColor(context, [WXConvert UIColorFromRGBA:_borderBottomColor].CGColor);
         CGContextAddArc(context, bottomLeft, size.height-bottomLeft, bottomLeft-_borderBottomWidth/2, M_PI-M_PI_4+(_borderLeftWidth>0?0:M_PI_4), M_PI_2, 1);
         CGContextMoveToPoint(context, bottomLeft, size.height-_borderBottomWidth/2);
         CGContextAddLineToPoint(context, size.width-bottomRight, size.height-_borderBottomWidth/2);
@@ -430,7 +432,7 @@ - (void)_drawBorderWithContext:(CGContextRef)context size:(CGSize)size
             CGContextSetLineDash(context, 0, 0, 0);
         }
         CGContextSetLineWidth(context, _borderRightWidth);
-        CGContextSetStrokeColorWithColor(context, _borderRightColor.CGColor);
+        CGContextSetStrokeColorWithColor(context, [WXConvert UIColorFromRGBA:_borderRightColor].CGColor);
         CGContextAddArc(context, size.width-bottomRight, size.height-bottomRight, bottomRight-_borderRightWidth/2, M_PI_4+(_borderBottomWidth>0?0:M_PI_4), 0, 1);
         CGContextMoveToPoint(context, size.width-_borderRightWidth/2, size.height-bottomRight);
         CGContextAddLineToPoint(context, size.width-_borderRightWidth/2, topRight);
@@ -486,7 +488,7 @@ - (BOOL)_needsDrawBorder
     if (!radiusEqual) {
         return YES;
     }
-    BOOL colorEqual = [_borderTopColor isEqual:_borderRightColor] && [_borderRightColor isEqual:_borderBottomColor] && [_borderBottomColor isEqual:_borderLeftColor];
+    BOOL colorEqual = _borderTopColor == _borderRightColor && _borderRightColor == _borderBottomColor && _borderBottomColor == _borderLeftColor;
     if (!colorEqual) {
         return YES;
     }
@@ -499,7 +501,7 @@ - (void)_handleBorders:(NSDictionary *)styles isUpdating:(BOOL)updating
     if (!updating) {
         // init with default value
         _borderTopStyle = _borderRightStyle = _borderBottomStyle = _borderLeftStyle = WXBorderStyleSolid;
-        _borderTopColor = _borderLeftColor = _borderRightColor = _borderBottomColor = [UIColor blackColor];
+        _borderTopColor = _borderLeftColor = _borderRightColor = _borderBottomColor = [WXConvert RGBAColorFromUIColor:[UIColor blackColor]];
         _borderTopWidth = _borderLeftWidth = _borderRightWidth = _borderBottomWidth = 0;
         _borderTopLeftRadius = _borderTopRightRadius = _borderBottomLeftRadius = _borderBottomRightRadius = 0;
     }
@@ -541,6 +543,39 @@ - (void)_handleBorders:(NSDictionary *)styles isUpdating:(BOOL)updating
         [self setNeedsDisplay];\
     }\
 } while (0);
+
+#define WX_CHECK_BORDER_PROP_COLOR(prop, direction1, direction2, direction3, direction4, type)\
+do {\
+    BOOL needsDisplay = NO; \
+    NSString *styleProp= WX_NSSTRING(WX_CONCAT(border, prop));\
+    if (styles[styleProp]) {\
+        _border##direction1##prop = _border##direction2##prop = _border##direction3##prop = _border##direction4##prop = [WXConvert RGBAColorFromUIColor:[WXConvert type:styles[styleProp]]];\
+        needsDisplay = YES;\
+    }\
+    NSString *styleDirection1Prop = WX_NSSTRING(WX_CONCAT_TRIPLE(border, direction1, prop));\
+    if (styles[styleDirection1Prop]) {\
+        _border##direction1##prop = [WXConvert RGBAColorFromUIColor:[WXConvert type:styles[styleDirection1Prop]]];\
+        needsDisplay = YES;\
+    }\
+    NSString *styleDirection2Prop = WX_NSSTRING(WX_CONCAT_TRIPLE(border, direction2, prop));\
+    if (styles[styleDirection2Prop]) {\
+        _border##direction2##prop = [WXConvert RGBAColorFromUIColor:[WXConvert type:styles[styleDirection2Prop]]];\
+        needsDisplay = YES;\
+    }\
+    NSString *styleDirection3Prop = WX_NSSTRING(WX_CONCAT_TRIPLE(border, direction3, prop));\
+    if (styles[styleDirection3Prop]) {\
+        _border##direction3##prop = [WXConvert RGBAColorFromUIColor:[WXConvert type:styles[styleDirection3Prop]]];\
+        needsDisplay = YES;\
+    }\
+    NSString *styleDirection4Prop = WX_NSSTRING(WX_CONCAT_TRIPLE(border, direction4, prop));\
+    if (styles[styleDirection4Prop]) {\
+        _border##direction4##prop = [WXConvert RGBAColorFromUIColor:[WXConvert type:styles[styleDirection4Prop]]];\
+        needsDisplay = YES;\
+    }\
+    if (needsDisplay && updating) {\
+        [self setNeedsDisplay];\
+    }\
+} while (0);
     
 // TODO: refactor this hopefully
 #define WX_CHECK_BORDER_PROP_PIXEL(prop, direction1, direction2, direction3, direction4)\
@@ -578,7 +613,7 @@ - (void)_handleBorders:(NSDictionary *)styles isUpdating:(BOOL)updating
     
     
     WX_CHECK_BORDER_PROP(Style, Top, Left, Bottom, Right, WXBorderStyle)
-    WX_CHECK_BORDER_PROP(Color, Top, Left, Bottom, Right, UIColor)
+    WX_CHECK_BORDER_PROP_COLOR(Color, Top, Left, Bottom, Right, UIColor)
     WX_CHECK_BORDER_PROP_PIXEL(Width, Top, Left, Bottom, Right)
     WX_CHECK_BORDER_PROP_PIXEL(Radius, TopLeft, TopRight, BottomLeft, BottomRight)
 
@@ -592,9 +627,9 @@ - (void)_handleBorders:(NSDictionary *)styles isUpdating:(BOOL)updating
         } else if (!nowNeedsDrawBorder) {
             [self _resetNativeBorderRadius];
             _layer.borderWidth = _borderTopWidth;
-            _layer.borderColor = _borderTopColor.CGColor;
+            _layer.borderColor = [WXConvert UIColorFromRGBA:_borderTopColor].CGColor;
             if ((_transition.transitionOptions & WXTransitionOptionsBackgroundColor) != WXTransitionOptionsBackgroundColor ) {
-                _layer.backgroundColor = _backgroundColor.CGColor;
+                _layer.backgroundColor = [WXConvert UIColorFromRGBA:_backgroundColor].CGColor;
             }
         }
     }
@@ -606,7 +641,7 @@ - (BOOL)_bitmapOpaqueWithSize:(CGSize)size
     WXRoundedRect *borderRect = [[WXRoundedRect alloc] initWithRect:rect topLeft:_borderTopLeftRadius topRight:_borderTopRightRadius bottomLeft:_borderBottomLeftRadius bottomRight:_borderBottomRightRadius];
     WXRadii *radii = borderRect.radii;
     BOOL hasBorderRadius = [radii hasBorderRadius];
-    return (!hasBorderRadius) && _opacity == 1.0 && CGColorGetAlpha(_backgroundColor.CGColor) == 1.0 && [self _needsDrawBorder];
+    return (!hasBorderRadius) && _opacity == 1.0 && CGColorGetAlpha([WXConvert UIColorFromRGBA:_backgroundColor].CGColor) == 1.0 && [self _needsDrawBorder];
 }
 
 - (CAShapeLayer *)drawBorderRadiusMaskLayer:(CGRect)rect
diff --git a/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m b/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
index 9015625900..8423f78cd6 100644
--- a/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
+++ b/ios/sdk/WeexSDK/Sources/Loader/WXResourceLoader.m
@@ -140,14 +140,7 @@ - (void)request:(WXResourceRequest *)request didReceiveResponse:(WXResourceRespo
     WXLogDebug(@"request:%@ didReceiveResponse:%@ ", request, response);
     
     _response = response;
-    id<WXConfigCenterProtocol> configCenter = [WXSDKEngine handlerForProtocol:@protocol(WXConfigCenterProtocol)];
-    if ([configCenter respondsToSelector:@selector(configForKey:defaultValue:isDefault:)]) {
-        BOOL isDefault;
-        BOOL clearResponseData = [[configCenter configForKey:@"iOS_weex_ext_config.clearResponseDataWhenDidReceiveResponse" defaultValue:@(NO) isDefault:&isDefault] boolValue];
-        if(clearResponseData) {
-            _data = nil;
-        }
-    }
+    _data = nil;
     
     if (self.onResponseReceived) {
         self.onResponseReceived(response);
diff --git a/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm b/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm
index a60251cb9a..9c99ac9959 100644
--- a/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm
+++ b/ios/sdk/WeexSDK/Sources/Model/WXComponent.mm
@@ -387,11 +387,11 @@ - (UIView *)view
         _view.hidden = _visibility == WXVisibilityShow ? NO : YES;
         _view.clipsToBounds = _clipToBounds;
         if (![self _needsDrawBorder]) {
-            _layer.borderColor = _borderTopColor.CGColor;
+            _layer.borderColor = [WXConvert UIColorFromRGBA:_borderTopColor].CGColor;
             _layer.borderWidth = _borderTopWidth;
             [self _resetNativeBorderRadius];
             _layer.opacity = _opacity;
-            _view.backgroundColor = _backgroundColor;
+            _view.backgroundColor = [WXConvert UIColorFromRGBA:_backgroundColor];
         }
 
         if (_backgroundImage) {
@@ -857,8 +857,9 @@ - (void)setGradientLayer
             UIColor * endColor = (UIColor*)linearGradient[@"endColor"];
             CAGradientLayer * gradientLayer = [WXUtility gradientLayerFromColors:@[startColor, endColor] locations:nil frame:strongSelf.view.bounds gradientType:(WXGradientType)[linearGradient[@"gradientType"] integerValue]];
             if (gradientLayer) {
-                _backgroundColor = [UIColor colorWithPatternImage:[strongSelf imageFromLayer:gradientLayer]];
-                strongSelf.view.backgroundColor = _backgroundColor;
+                UIColor* patternColor = [UIColor colorWithPatternImage:[strongSelf imageFromLayer:gradientLayer]];
+                _backgroundColor = [WXConvert RGBAColorFromUIColor:patternColor];
+                strongSelf.view.backgroundColor = patternColor;
                 [strongSelf setNeedsDisplay];
             }
         }
diff --git a/ios/sdk/WeexSDK/Sources/Utility/WXConvert.h b/ios/sdk/WeexSDK/Sources/Utility/WXConvert.h
index c57f4b1e6b..187da8bf9b 100644
--- a/ios/sdk/WeexSDK/Sources/Utility/WXConvert.h
+++ b/ios/sdk/WeexSDK/Sources/Utility/WXConvert.h
@@ -64,6 +64,8 @@ typedef CGFloat WXPixelType;
 + (UIAccessibilityTraits)WXUIAccessibilityTraits:(id)value;
 
 + (UIColor *)UIColor:(id)value;
++ (UIColor *)UIColorFromRGBA:(uint32_t)rgba;
++ (uint32_t)RGBAColorFromUIColor:(UIColor*)color;
 + (CGColorRef)CGColor:(id)value;
 + (NSString *)HexWithColor:(UIColor *)color;
 + (WXBorderStyle)WXBorderStyle:(id)value;
diff --git a/ios/sdk/WeexSDK/Sources/Utility/WXConvert.m b/ios/sdk/WeexSDK/Sources/Utility/WXConvert.m
index 85ab360a6c..6861b0873b 100644
--- a/ios/sdk/WeexSDK/Sources/Utility/WXConvert.m
+++ b/ios/sdk/WeexSDK/Sources/Utility/WXConvert.m
@@ -428,6 +428,36 @@ + (UIColor *)UIColor:(id)value
     return color;
 }
 
++ (UIColor *)UIColorFromRGBA:(uint32_t)rgba
+{
+    float r, g, b, a;
+    uint8_t r8, g8, b8, a8;
+    r8 = rgba >> 24;
+    g8 = (rgba & 0x00FF0000) >> 16;
+    b8 = (rgba & 0x0000FF00) >> 8;
+    a8 = rgba & 0x000000FF;
+    r = r8 / 255.f;
+    g = g8 / 255.f;
+    b = b8 / 255.f;
+    a = a8 / 255.f;
+    return [UIColor colorWithRed:r green:g blue:b alpha:a];
+}
+
++ (uint32_t)RGBAColorFromUIColor:(UIColor*)color
+{
+    CGFloat r, g, b, a;
+    if (color) {
+        [color getRed:&r green:&g blue:&b alpha:&a];
+        uint8_t r8, g8, b8, a8;
+        r8 = (uint8_t)(lround(r * 255.f));
+        g8 = (uint8_t)(lround(g * 255.f));
+        b8 = (uint8_t)(lround(b * 255.f));
+        a8 = (uint8_t)(lround(a * 255.f));
+        return ((uint32_t)r8 << 24) | ((uint32_t)g8 << 16) | ((uint32_t)b8 << 8) | (uint32_t)a8;
+    }
+    return 0;
+}
+
 + (CGColorRef)CGColor:(id)value
 {
     UIColor *color = [self UIColor:value];
diff --git a/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm b/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm
index 3d97548a83..78f8cb2215 100644
--- a/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm
+++ b/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm
@@ -62,7 +62,7 @@
 #define WX_BOARD_RADIUS_COLOR_RESET_ALL(key)\
 do {\
     if (styles && [styles containsObject:@#key]) {\
-        _borderTopColor = _borderLeftColor = _borderRightColor = _borderBottomColor = [UIColor blackColor];\
+        _borderTopColor = _borderLeftColor = _borderRightColor = _borderBottomColor = [WXConvert RGBAColorFromUIColor:[UIColor blackColor]];\
         [self setNeedsDisplay];\
     }\
 } while(0);
@@ -70,7 +70,7 @@
 #define WX_BOARD_COLOR_RESET(key)\
 do {\
     if (styles && [styles containsObject:@#key]) {\
-        _##key = [UIColor blackColor];\
+        _##key = [WXConvert RGBAColorFromUIColor:[UIColor blackColor]];\
         [self setNeedsDisplay];\
     }\
 } while(0);
@@ -174,7 +174,8 @@ - (void)viewDidUnload
 
 - (void)_initViewPropertyWithStyles:(NSDictionary *)styles
 {
-    _backgroundColor = styles[@"backgroundColor"] ? [WXConvert UIColor:styles[@"backgroundColor"]] : [UIColor clearColor];
+    UIColor* bgColor = styles[@"backgroundColor"] ? [WXConvert UIColor:styles[@"backgroundColor"]] : [UIColor clearColor];
+    _backgroundColor = [WXConvert RGBAColorFromUIColor:bgColor ?: [UIColor clearColor]];
     _backgroundImage = styles[@"backgroundImage"] ? [WXConvert NSString:styles[@"backgroundImage"]]: nil;
     _opacity = styles[@"opacity"] ? [WXConvert CGFloat:styles[@"opacity"]] : 1.0;
     _clipToBounds = styles[@"overflow"] ? [WXConvert WXClipType:styles[@"overflow"]] : NO;
@@ -193,7 +194,7 @@ - (void)_transitionUpdateViewProperty:(NSDictionary *)styles
 {
     WX_CHECK_COMPONENT_TYPE(self.componentType)
     if (styles[@"backgroundColor"]) {
-        _backgroundColor = [WXConvert UIColor:styles[@"backgroundColor"]];
+        _backgroundColor = [WXConvert RGBAColorFromUIColor:[WXConvert UIColor:styles[@"backgroundColor"]]];
     }
     if (styles[@"opacity"]) {
         _opacity = [WXConvert CGFloat:styles[@"opacity"]];
@@ -211,7 +212,7 @@ - (void)_updateViewStyles:(NSDictionary *)styles
     }
     
     if (styles[@"backgroundColor"]) {
-        _backgroundColor = [WXConvert UIColor:styles[@"backgroundColor"]];
+        _backgroundColor = [WXConvert RGBAColorFromUIColor:[WXConvert UIColor:styles[@"backgroundColor"]]];
         [self setNeedsDisplay];
     }
     
@@ -307,7 +308,7 @@ - (void)resetBorder:(NSArray *)styles
 - (void)_resetStyles:(NSArray *)styles
 {
     if (styles && [styles containsObject:@"backgroundColor"]) {
-        _backgroundColor = [UIColor clearColor];
+        _backgroundColor = [WXConvert RGBAColorFromUIColor:[UIColor clearColor]];
         [self setNeedsDisplay];
     }
     if (styles && [styles containsObject:@"boxShadow"]) {