diff --git a/README.md b/README.md
index 717c80a..b68aa25 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@ Please note, there are exceptions to this synchronization. If a version of NTrac
 
     * Termux installation command
       ```shell
+      pkg install root-repo
       pkg install nexttrace
       ```
 
diff --git a/README_zh_CN.md b/README_zh_CN.md
index d6a5549..76430bc 100644
--- a/README_zh_CN.md
+++ b/README_zh_CN.md
@@ -105,6 +105,7 @@ Document Language: [English](README.md) | 简体中文
 
   * Termux 安装命令
     ```shell
+    pkg install root-repo
     pkg install nexttrace
     ```