diff --git a/00-chartgpt/chainlit/nohup.out b/00-chartgpt/chainlit/nohup.out
index 50ee4a7839ab1274994076310a145a996d63dd34..c0e57c1a85438c43178f143bc2e4ae0c13c56e8b 100644
--- a/00-chartgpt/chainlit/nohup.out
+++ b/00-chartgpt/chainlit/nohup.out
@@ -140,3 +140,7 @@ openai.error.APIConnectionError: Error communicating with OpenAI: HTTPSConnectio
                     engine was transferred to model_kwargs.
                     Please confirm that engine is what you intended.
 2023-06-23 14:38:43 - Your app is available at http://localhost:8000
+2023-06-23 19:57:00 - WARNING! engine is not default parameter.
+                    engine was transferred to model_kwargs.
+                    Please confirm that engine is what you intended.
+2023-06-23 19:57:00 - Your app is available at http://localhost:8000
diff --git "a/14_\345\210\267\351\242\230/day02/problem_solving_16.py" "b/14_\345\210\267\351\242\230/day02/problem_solving_16.py"
new file mode 100644
index 0000000000000000000000000000000000000000..9bebd00d217423eb39a484bef939e523666b381b
--- /dev/null
+++ "b/14_\345\210\267\351\242\230/day02/problem_solving_16.py"
@@ -0,0 +1,32 @@
+"""
+丢失的数字
+"""
+from typing import List
+
+
+class Solution:
+    def missingNumber(self, nums: List[int]) -> int:
+        nums.sort()
+        if nums[0] != 0:
+            return 0
+        for i in range(1, len(nums)):
+            if nums[i] - nums[i - 1] > 1:
+                return nums[i] - 1
+        return nums[-1] + 1
+
+    def missingNumber2(self, nums: List[int]) -> int:
+        """
+        主技巧  数学相关,求0到n的和
+        :param nums:
+        :return:
+        """
+        total = len(nums) * (len(nums) + 1) / 2
+        sum_num = sum(nums)
+        return int(total - sum_num)
+
+
+if __name__ == '__main__':
+    # root = Solution().missingNumber([3, 0, 1])
+    # root = Solution().missingNumber([0, 1])
+    root = Solution().missingNumber2([9, 6, 4, 2, 3, 5, 7, 0, 1])
+    print(root)
diff --git "a/14_\345\210\267\351\242\230/day02/problem_solving_17.py" "b/14_\345\210\267\351\242\230/day02/problem_solving_17.py"
new file mode 100644
index 0000000000000000000000000000000000000000..d21da45a65bd05505c01010776912b19d7304f94
--- /dev/null
+++ "b/14_\345\210\267\351\242\230/day02/problem_solving_17.py"
@@ -0,0 +1,25 @@
+"""
+移动零
+"""
+from typing import List
+
+
+class Solution:
+    def moveZeroes(self, nums: List[int]) -> None:
+        """
+        Do not return anything, modify nums in-place instead.
+        """
+        i = 0
+        j = 0
+        while j < len(nums):
+            if nums[j] != 0:
+                nums[i] = nums[j]
+                i += 1
+            j += 1
+        for index in range(i, len(nums)):
+            nums[index] = 0
+        print(nums)
+
+
+if __name__ == '__main__':
+    Solution().moveZeroes([0, 1, 0, 3, 12])