diff --git a/src/leecode/javascript/2154.将找到的值乘以 2.js b/src/leecode/javascript/2154.将找到的值乘以 2.js
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+++ b/src/leecode/javascript/2154.将找到的值乘以 2.js	
@@ -0,0 +1,39 @@
+/*
+ * @lc app=leetcode.cn id=2154 lang=javascript
+ * @lcpr version=
+ *
+ * [2154] 将找到的值乘以 2
+ */
+
+// @lc code=start
+/**
+ * @param {number[]} nums
+ * @param {number} original
+ * @return {number}
+ */
+var findFinalValue = function (nums, original) {
+  nums.sort((a, b) => a - b);
+  for (let i of nums) {
+    if (i == original) {
+      original *= 2;
+    }
+    if (nums[nums.length - 1] < original) {
+      break;
+    }
+  }
+  return original;
+};
+
+findFinalValue([5,3,6,1,12]);
+// @lc code=end
+
+/*
+// @lcpr case=start
+// [5,3,6,1,12]\n3\n
+// @lcpr case=end
+
+// @lcpr case=start
+// [2,7,9]\n4\n
+// @lcpr case=end
+
+ */