diff --git a/SM3中的FF2和GG2函数.md b/SM3中的FF2和GG2函数.md
index 68e3fb5..d3502e9 100644
--- a/SM3中的FF2和GG2函数.md
+++ b/SM3中的FF2和GG2函数.md
@@ -39,4 +39,4 @@ GG2等价公式初次见于[Intel® Integrated Performance Primitives Cryptograp
 |1|1|1|1|1|1|1|
 
 # 证明
-TODO
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+Ask help https://math.stackexchange.com/questions/4775054/how-to-prove-below-two-logic-formulas
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