diff --git a/problems/0392.判断子序列.md b/problems/0392.判断子序列.md
index cb9323c8..f7863c94 100644
--- a/problems/0392.判断子序列.md
+++ b/problems/0392.判断子序列.md
@@ -250,7 +250,7 @@ func isSubsequence(s string, t string) bool {
     }
     for i := 1; i < len(dp); i ++{
         for j := 1; j < len(dp[i]); j ++{
-            if s[i - 1] == t[j-1] {
+            if s[i - 1] == t[j - 1] {
                 dp[i][j] = dp[i - 1][j - 1] +1
             }else{
                 dp[i][j] = dp[i][j - 1]