diff --git a/Readme.md b/Readme.md
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--- a/Readme.md
+++ b/Readme.md
@@ -1920,8 +1920,7 @@
 
 ## <a id="df9d9982d70a9b99fdfc0c27bac60e12"></a>加固&&破解
 
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+- [**1**星][6d] [Kotlin] [heyaibi/s4](https://github.com/heyaibi/s4) Offline Android app for BIP-39 → SLIP-39 paper backup — splits any BIP-39 seed phrase or raw entropy into 2-16 SLIP-39 shares and restores from any T with fingerprint and Recovery Guide; 100% offline (no INTERNET permission), GPL-3.0
 
 # <a id="c8cd36b0b75c53d7b4caa914f6dd2600"></a>其他
 
diff --git a/Readme_en.md b/Readme_en.md
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--- a/Readme_en.md
+++ b/Readme_en.md
@@ -1920,8 +1920,7 @@
 
 ## <a id="df9d9982d70a9b99fdfc0c27bac60e12"></a>Harden&&Crack
 
-
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+- [**1**Star][6d] [Kotlin] [heyaibi/s4](https://github.com/heyaibi/s4) Offline Android app for BIP-39 → SLIP-39 paper backup — splits any BIP-39 seed phrase or raw entropy into 2-16 SLIP-39 shares and restores from any T with fingerprint and Recovery Guide; 100% offline (no INTERNET permission), GPL-3.0
 
 # <a id="c8cd36b0b75c53d7b4caa914f6dd2600"></a>Other