Bubble flow control is an efficient technique to avoid deadlock in torus networks without using virtual channels. If a flow control mechanism has knowledge of buffer utilization within a dimension, it can make resource allocation decisions based on global network conditions to improve network performance. The previous critical bubble scheme has a risk of blocking. To resolve this problem, a false packet protocol was presented, and a non-blocking moveable bubble scheme was designed, which is an improvement of critical bubble scheme with a requirement of one packet buffer at least, which halves the buffer requirement of two. Network simulation results show that this scheme is apparently better than the existing methods, avoids permanent blocking, displays a throughput improvement of more than 20% under distribute, hotregion and uniform traffic patterns, and maintains a steady throughput after network saturation without sharp drop.