diff --git a/src/wildcard_match/wildcard_match.cpp b/src/wildcard_match/wildcard_match.cpp
index 5c62e89..729fe84 100644
--- a/src/wildcard_match/wildcard_match.cpp
+++ b/src/wildcard_match/wildcard_match.cpp
@@ -25,7 +25,7 @@ int main(){
 
     for(const size_t i:range((size_t)1,s.size()+1)){
         for(const size_t j:range((size_t)1,p.size()+1)){
-            if(get_p(j) == get_s(j) || get_p(j)=='?'){
+            if(get_s(i) == get_p(j) || get_p(j)=='?'){
                 dp[i][j] = dp[i-1][j-1];
             }else if(get_p(j)=='*'){
                 dp[i][j] = dp[i-1][j] || dp[i][j-1]; //01背包，查看是否使用这个字符