Merge branch 'jinzhu/master' into 'master'

修改removeKVO



See merge request !9

GMBase/Classes/WMBaseListViewController.m

@@ -162,7 +162,10 @@
 }
 
 - (void)removeKVO{
-    
+    // 因为fetchDataSuccess是在viewDidLoad中监听的，所以需要一个判断
+    if ([self isViewLoaded]) {
+        [self.viewModel removeObserver:self forKeyPath:@"fetchDataSuccess"];
+    }
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context{
@@ -191,10 +194,7 @@
 
 - (void)dealloc{
     [self removeKVO];
-    // 因为fetchDataSuccess是在viewDidLoad中监听的，所以需要一个判断
-    if ([self isViewLoaded]) {
-        [self.viewModel removeObserver:self forKeyPath:@"fetchDataSuccess"];
-    }
+   
 }
 
 - (void)showEmptyView:(GMEmptyViewType)type {