rtf benchmark

funasr/runtime/python/benchmark_libtorch.md

@@ -1,7 +1,7 @@
 # Benchmark 
 
 ### Data set:
-Aishell1 test set , the total audio duration is 36108.919 seconds.
+Aishell1 [test set](https://www.openslr.org/33/) , the total audio duration is 36108.919 seconds.
 
 ### Tools
 - Install