diff --git a/problems/0056.合并区间.md b/problems/0056.合并区间.md
index eb8e7bff..f42fced7 100644
--- a/problems/0056.合并区间.md
+++ b/problems/0056.合并区间.md
@@ -144,11 +144,7 @@ class Solution {
         Arrays.sort(intervals, new Comparator<int[]>() {
             @Override
             public int compare(int[] o1, int[] o2) {
-                if (o1[0] != o2[0]) {
-                    return Integer.compare(o1[0],o2[0]);
-                } else {
-                    return Integer.compare(o1[1],o2[1]);
-                }
+                return Integer.compare(o1[0], o2[0]);
             }
         });