diff --git a/generator/FLVGenerator.go b/generator/FLVGenerator.go
index 877606dc..247546b8 100644
--- a/generator/FLVGenerator.go
+++ b/generator/FLVGenerator.go
@@ -252,6 +252,7 @@ func (g *flvGenerator) generate() {
 				g.outputChan <- tag.ToByteSlice()
 			}
 		default:
+			time.Sleep(time.Duration(1)*time.Millisecond)
 		}
 	}
 }