diff --git a/README.md b/README.md
index 229bc7a..171c275 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ Hyperledger Fabric是目前超级账本项目中发展最好的子项目，作
 * [区块链的分类](./chapter1_02%20types_%20of_blockchains.md)
 * [学习区块链的正确姿势](./chapter1_03%20correct_method_of_learn_blockchain.md)
 * [区块链技术原理](./chapter1_04%20how_does_blockchain_work.md)
-* [区块链的应用原则](./chapter1_05%20blockchain%20application%20principle.md)
+* [区块链的应用原则](./chapter1_05%20blockchain_application_principle.md)
 * [区块链实施原则](./chapter1_06%20blockchain_project_execution.md)
 * [区块链技术理论总结](./chapter1_07%20summary.md)