diff --git a/miner/docs/bench.md b/miner/docs/bench.md
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--- a/miner/docs/bench.md
+++ b/miner/docs/bench.md
@@ -12,6 +12,10 @@
 
 ## 结果
 
+> 参考 pl
+
+![Pl](powerless.png)
+
 ### 0.1.5
 
 > 要命
diff --git a/miner/docs/powerless.png b/miner/docs/powerless.png
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index 0000000..87bb1c9
Binary files /dev/null and b/miner/docs/powerless.png differ