test

docs/10.md

@@ -470,6 +470,7 @@ $$
 $$
 
 这里
+
 $$
 L_{\pi}(\pi') = \mathbb_{s\sim d^{\pi},a\sim\pi(\cdot|s)} [\frac{\pi'(a|s)}{\pi(a|s)} A^{\pi}(s,a)]，
 $$