diff --git a/problems/0139.单词拆分.md b/problems/0139.单词拆分.md
index 5b38a7a5..3d4cdb31 100644
--- a/problems/0139.单词拆分.md
+++ b/problems/0139.单词拆分.md
@@ -250,6 +250,26 @@ class Solution {
     }
 }
 
+// 另一种思路的背包算法
+class Solution {
+    public boolean wordBreak(String s, List<String> wordDict) {
+        boolean[] dp = new boolean[s.length() + 1];
+        dp[0] = true;
+
+        for (int i = 1; i <= s.length(); i++) {
+            for (String word : wordDict) {
+                int len = word.length();
+                if (i >= len && dp[i - len] && word.equals(s.substring(i - len, i))) {
+                    dp[i] = true;
+                    break;
+                }
+            }
+        }
+
+        return dp[s.length()];
+    }
+}
+
 // 回溯法+记忆化
 class Solution {
     private Set<String> set;