diff --git a/Feature-nss-add-implement-of-SM3-digest-algorithm.patch b/Feature-nss-add-implement-of-SM3-digest-algorithm.patch
index b3a57170124d72ed5c4694cff14ac8272408d71e..87acf2cf41f9901087fc7fb0430caf2b5acd8f75 100644
--- a/Feature-nss-add-implement-of-SM3-digest-algorithm.patch
+++ b/Feature-nss-add-implement-of-SM3-digest-algorithm.patch
@@ -313,7 +313,7 @@ index 0000000..83d787f
 +    PRUint32 num;
 +};
 +
-+typedef struct SM3ContextStr SM3Context;
++
 +
 +#endif /* _SM3_H_ */
 --