diff --git a/iOS/lynx/app/application_info.mm b/iOS/lynx/app/application_info.mm
index 2290ae4e..83413c5b 100644
--- a/iOS/lynx/app/application_info.mm
+++ b/iOS/lynx/app/application_info.mm
@@ -12,7 +12,7 @@ @implementation LynxApplicationInfo
 - (id) initWithManifest:(NSDictionary*)manifest {
     self = [super init];
     if(self) {
-        _debugable = [manifest objectForKey:@"debug"];
+        _debugable = [[manifest objectForKey:@"debug"] boolValue];
         NSDictionary* appInfo = [manifest objectForKey:@"application"];
         _packageName = [appInfo objectForKey:@"packageName"];
         _mainPage = [[appInfo objectForKey:@"mainPage"] stringByDeletingPathExtension];
diff --git a/iOS/lynx/base/framerate_controller.mm b/iOS/lynx/base/framerate_controller.mm
index d91c416b..53786160 100644
--- a/iOS/lynx/base/framerate_controller.mm
+++ b/iOS/lynx/base/framerate_controller.mm
@@ -2,6 +2,52 @@
 
 #include "base/framerate_controller.h"
 
+@interface LynxWeakProxy : NSProxy
+
+@property (weak, nonatomic) id  target;
+
++ (LynxWeakProxy*)weakProxyWithTarget:(id)target;
+
+@end
+
+@implementation LynxWeakProxy
+
++ (LynxWeakProxy*)weakProxyWithTarget:(id)target
+{
+    LynxWeakProxy* proxy = [LynxWeakProxy alloc];
+    proxy.target = target;
+    return proxy;
+}
+
+- (BOOL)respondsToSelector:(SEL)sel
+{
+    return [_target respondsToSelector:sel];
+}
+
+- (id)forwardingTargetForSelector:(SEL)sel
+{
+    return _target;
+}
+
+- (void)forwardInvocation:(NSInvocation *)invocation {
+    [invocation invokeWithTarget:self.target];
+}
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector {
+    NSMethodSignature *sig;
+    sig = [self.target methodSignatureForSelector:aSelector];
+    return sig;
+}
+
+@end
+
+
+
+@interface LynxFrameRateController ()
+
+@property (nonatomic, strong) LynxWeakProxy * proxyTarget;
+
+@end
 
 @implementation LynxFrameRateController
 
@@ -9,8 +55,10 @@ -(instancetype)initWithVSyncListener:(RenderTreeHostImplBridge *)vsync_listener
 {
     self = [super init];
     if (self) {
-        _displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(onVSync)];
+        _proxyTarget = [LynxWeakProxy weakProxyWithTarget:self];
+        _displayLink = [CADisplayLink displayLinkWithTarget:_proxyTarget selector:@selector(onVSync)];
         _vsync_listener = vsync_listener;
+        [_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
     }
     return self;
 }
@@ -18,13 +66,11 @@ -(instancetype)initWithVSyncListener:(RenderTreeHostImplBridge *)vsync_listener
 -(void)start
 {
     _displayLink.paused = NO;
-    [_displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
 }
 
 -(void)stop
 {
     _displayLink.paused = YES;
-    [_displayLink removeFromRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
 }
 
 -(void)onVSync
@@ -34,4 +80,10 @@ -(void)onVSync
     _displayLink.paused = NO;
 }
 
+-(void)dealloc
+{
+    [_displayLink invalidate];
+    _displayLink = nil;
+}
+
 @end