diff --git "a/LeetCode/531-540/539. \346\234\200\345\260\217\346\227\266\351\227\264\345\267\256\357\274\210\344\270\255\347\255\211\357\274\211.md" "b/LeetCode/531-540/539. \346\234\200\345\260\217\346\227\266\351\227\264\345\267\256\357\274\210\344\270\255\347\255\211\357\274\211.md"
index c1a5574a..7f1f8b24 100644
--- "a/LeetCode/531-540/539. \346\234\200\345\260\217\346\227\266\351\227\264\345\267\256\357\274\210\344\270\255\347\255\211\357\274\211.md"	
+++ "b/LeetCode/531-540/539. \346\234\200\345\260\217\346\227\266\351\227\264\345\267\256\357\274\210\344\270\255\347\255\211\357\274\211.md"	
@@ -154,7 +154,7 @@ int findMinDifference(char ** timePoints, int timePointsSize){
 class Solution {
     public int findMinDifference(List<String> timePoints) {
         int n = timePoints.size();
-        if (n >= 1440) return 0;
+        if (n > 1440) return 0;
         int[] cnts = new int[1440 * 2 + 10];
         for (String s : timePoints) {
             String[] ss = s.split(":");