diff --git a/SM2-WWMM-(2).md b/SM2-WWMM-(2).md
index 683b3bb..4c3ba7b 100644
--- a/SM2-WWMM-(2).md
+++ b/SM2-WWMM-(2).md
@@ -3,10 +3,10 @@
 ## SM2 P256 P表示
 SM2 256 的素数P=0xfffffffeffffffffffffffffffffffffffffffff00000000ffffffffffffffff，也可以表示为
 
-$p_0=0xFFFFFFFFFFFFFFFF$  
-$p_1=0xFFFFFFFF00000000$  
-$p_2=0xFFFFFFFFFFFFFFFF$  
-$p_3=0xFFFFFFFEFFFFFFFF$  
+$p_3=0xFFFFFFFFFFFFFFFF$  
+$p_2=0xFFFFFFFF00000000$  
+$p_1=0xFFFFFFFFFFFFFFFF$  
+$p_0=0xFFFFFFFEFFFFFFFF$  
 
 $$P = 2^{256} - 2^{224} - 2^{96} + 2^{64} - 1$$