diff --git a/src/encryption/spiral.rs b/src/encryption/spiral.rs
index 432eb24..25080cb 100644
--- a/src/encryption/spiral.rs
+++ b/src/encryption/spiral.rs
@@ -40,7 +40,7 @@ pub fn encrypt(data: String) -> String {
 /// - `data` 待解密的内容
 pub fn decrypt(data: String) -> Result<String, SpiralCipherError> {
     if !data.starts_with("[") || data.len() <= 21 {
-        return Err(SpiralCipherError::CorruptedCipherData);
+        return Ok(data);
     }
     let data = data[1..].to_string();
     let key_seed = data[0..20].to_string();