diff --git a/docs/dataStructures-algorithms/几道常见的子符串算法题.md b/docs/dataStructures-algorithms/几道常见的子符串算法题.md
index aa06e900..8489082b 100644
--- a/docs/dataStructures-algorithms/几道常见的子符串算法题.md
+++ b/docs/dataStructures-algorithms/几道常见的子符串算法题.md
@@ -144,6 +144,7 @@ public class Main {
 					flag = true;
 				} else {
 					flag = false;
+					break;
 				}
 			}
 		}