修改处理编辑信息的Timer，对其加锁。

RedAnt ERP Mobile/iSales-NPD/JKTimer/JKTimerManager.m

@@ -8,9 +8,13 @@
 
 #import "JKTimerManager.h"
 
+#define lockName(var) [NSString stringWithFormat:@"%@_canceller",var]
+#define timerLock(var) [[JKTimerManager sharedTimerManager].lockContainer objectForKey:lockName(var)]
+
 @interface JKTimerManager ()
 
 @property (nonatomic,strong) NSMutableDictionary *timerContainer;
+@property (nonatomic,strong) NSMutableDictionary *lockContainer;
 
 @end
 
@@ -50,27 +54,47 @@
         [self.timerContainer setObject:timer forKey:name];
     }
     
+    NSLock *timer_lock = [[NSLock alloc] init];
+    [self.lockContainer setObject:timer_lock forKey:lockName(name)];
+    
     dispatch_source_set_timer(timer, dispatch_time(DISPATCH_TIME_NOW, timerInterval * NSEC_PER_SEC), timerInterval * NSEC_PER_SEC, 0.1 * NSEC_PER_SEC);
     __weak typeof(self) weakSelf = self;
+    
     dispatch_source_set_event_handler(timer, ^{
-        if (action) {
+        
+        [timerLock(name) lock];
+        
+        if (timer && action) {
+            
             action();
             if (!repeats) {
                 [weakSelf cancelTimerWithName:name];
             }
+            
         }
+        
+        [timerLock(name) unlock];
     });
     
 }
 
 - (void)cancelTimerWithName:(NSString *)name {
+    
     dispatch_source_t timer = [self.timerContainer objectForKey:name];
     if (!timer) {
         return;
     }
     
+    NSLock *timer_lock = timerLock(name);
+    [timer_lock lock];
+
+    [self.lockContainer removeObjectForKey:lockName(name)];
     [self.timerContainer removeObjectForKey:name];
     dispatch_source_cancel(timer);
+    timer = nil;
+    
+    [timer_lock unlock];
+    
 }
 
 - (void)cancelAllTimer {