diff --git a/trunk/src/app/srs_app_rtc_jitbuffer.cpp b/trunk/src/app/srs_app_rtc_jitbuffer.cpp
index 40a1b6fbd..2824d4fee 100644
--- a/trunk/src/app/srs_app_rtc_jitbuffer.cpp
+++ b/trunk/src/app/srs_app_rtc_jitbuffer.cpp
@@ -1201,7 +1201,7 @@ SrsRtpFrameBufferEnum SrsRtpJitterBuffer::InsertPacket(uint16_t seq, uint32_t ts
         //CountFrame(*frame);
         // if (previous_state != kStateDecodable &&
         //         previous_state != kStateComplete) {
-        //     /*CountFrame(*frame);*/ //????????????????????�?? by ylr
+        //     /*CountFrame(*frame);
         //     if (continuous) {
         //         // Signal that we have a complete session.
         //         frame_event_->Set();
@@ -1213,7 +1213,7 @@ SrsRtpFrameBufferEnum SrsRtpJitterBuffer::InsertPacket(uint16_t seq, uint32_t ts
     case kDecodableSession: {
         // *retransmitted = (frame->GetNackCount() > 0);
 
-        if (true || continuous) {
+        if (continuous) {
             decodable_frames_.InsertFrame(frame);
             FindAndInsertContinuousFrames(*frame);
         } else {
@@ -1522,7 +1522,9 @@ bool SrsRtpJitterBuffer::NextMaybeIncompleteTimestamp(uint32_t* timestamp)
     SrsRtpFrameBuffer* oldest_frame;
 
     if (decodable_frames_.empty()) {
-        if (incomplete_frames_.size() <= 1) {
+        //in order to solve the problem of bad network, we can wait for more incomplete frames
+        //ex fps=15
+        if (incomplete_frames_.size() < 15) {
             return false;
         }