diff --git a/README.md b/README.md
index e0567327..106a5d5e 100644
--- a/README.md
+++ b/README.md
@@ -735,7 +735,7 @@
 | 0665 |  Non-decreasing Array                                        |                                                                                                                                               | 19.50%      |  Easy       |            |
 | 0666 |  Path Sum IV                                                 |                                                                                                                                               | 52.50%      |  Medium     |            |
 | 0667 |  Beautiful Arrangement II                                    |                                                                                                                                               | 52.10%      |  Medium     |            |
-| 0668 |  Kth Smallest Number in Multiplication Table                 |                                                                                                                                               | 42.20%      |  Hard       |            |
+| 0668 |  Kth Smallest Number in Multiplication Table                 |[Go](https://github.com/halfrost/LeetCode-Go/tree/master/Algorithms/0668.%20Kth%20Smallest%20Number%20in%20Multiplication%20Table)                                                                                                                                               | 42.20%      |  Hard       |            |
 | 0669 |  Trim a Binary Search Tree                                   |                                                                                                                                               | 60.50%      |  Easy       |            |
 | 0670 |  Maximum Swap                                                |                                                                                                                                               | 39.80%      |  Medium     |            |
 | 0671 |  Second Minimum Node In a Binary Tree                        |                                                                                                                                               | 43.30%      |  Easy       |            |
@@ -771,7 +771,7 @@
 | 0701 |  Insert into a Binary Search Tree                            |                                                                                                                                               | 76.10%      |  Medium     |            |
 | 0702 |  Search in a Sorted Array of Unknown Size                    |                                                                                                                                               | 59.30%      |  Medium     |            |
 | 0703 |  Kth Largest Element in a Stream                             |                                                                                                                                               | 46.60%      |  Easy       |            |
-| 0704 |  Binary Search                                               |                                                                                                                                               | 48.00%      |  Easy       |            |
+| 0704 |  Binary Search                                               |[Go](https://github.com/halfrost/LeetCode-Go/tree/master/Algorithms/0704.%20Binary%20Search)                                                                                                                                               | 48.00%      |  Easy       |            |
 | 0705 |  Design HashSet                                              |[Go](https://github.com/halfrost/LeetCode-Go/tree/master/Algorithms/0705.%20Design%20HashSet)                                                                                                                                               | 53.90%      |  Easy       |            |
 | 0706 |  Design HashMap                                              |[Go](https://github.com/halfrost/LeetCode-Go/tree/master/Algorithms/0706.%20Design%20HashMap)                                                                                                                                               | 56.30%      |  Easy       |            |
 | 0707 |  Design Linked List                                          |[Go](https://github.com/halfrost/LeetCode-Go/tree/master/Algorithms/0707.%20Design%20Linked%20List)                                                                                                                                               | 21.60%      |  Easy       |            |