diff --git a/Examples/coobjcBaseExample/coobjcBaseExampleTests/coobjcPromiseTests.m b/Examples/coobjcBaseExample/coobjcBaseExampleTests/coobjcPromiseTests.m
index d2d08e5..4e01d0e 100644
--- a/Examples/coobjcBaseExample/coobjcBaseExampleTests/coobjcPromiseTests.m
+++ b/Examples/coobjcBaseExample/coobjcBaseExampleTests/coobjcPromiseTests.m
@@ -415,6 +415,7 @@ static id testPromise3() {
     });
     
     it(@"test progress promise error", ^{
+        __block int step = 0;
         co_launch(^{
             int progressCount = 0;
             COProgressPromise *promise = progressDownloadFileFromUrl(@"http://img17.3lianghhjghj.com/d/file/201701/17/9a0d018ba683b9cbdcc5a7267b90891c.jpg1111");
@@ -426,13 +427,15 @@ static id testPromise3() {
                 NSLog(@"current progress: %f", (float)v);
                 progressCount++;
             }
-            expect(progressCount).to.equal(1);
+            expect(progressCount > 0).to.beTruthy();
             NSData *data = await(promise);
             expect(data == nil).beTruthy();
             expect(co_getError() != nil).beTruthy();
+            step = 11;
         });
         waitUntil(^(DoneCallback done) {
             dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+                expect(step).to.equal(11);
                 done();
             });
         });
@@ -681,6 +684,8 @@ static id testPromise3() {
     });
     
     it(@"test progress promise error", ^{
+        __block int step = 0;
+
         [[TestThreadObject1 sharedInstance] runBlock:^{
             co_launch(^{
                 int progressCount = 0;
@@ -693,16 +698,18 @@ static id testPromise3() {
                     NSLog(@"current progress: %f", (float)v);
                     progressCount++;
                 }
-                expect(progressCount).to.equal(1);
+//                expect(progressCount).to.equal(1);
                 NSData *data = await(promise);
                 expect(data == nil).beTruthy();
                 expect(co_getError() != nil).beTruthy();
+                step = 11;
             });
         }];
         
         waitUntil(^(DoneCallback done) {
             dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                 done();
+                expect(step).to.equal(11);
             });
         });
     });