diff --git a/cmdb-api/api/lib/secrets/inner.py b/cmdb-api/api/lib/secrets/inner.py
index 4a79feb..1302590 100644
--- a/cmdb-api/api/lib/secrets/inner.py
+++ b/cmdb-api/api/lib/secrets/inner.py
@@ -3,8 +3,8 @@ import os
 import secrets
 import sys
 import threading
-
 from base64 import b64decode, b64encode
+
 from Cryptodome.Protocol.SecretSharing import Shamir
 from colorama import Back, Fore, Style, init as colorama_init
 from cryptography.hazmat.backends import default_backend
@@ -30,6 +30,7 @@ seal_status = True
 secrets_encrypt_key = ""
 secrets_root_key = ""
 
+
 def string_to_bytes(value):
     if not value:
         return ""
@@ -78,7 +79,7 @@ class KeyManage:
                 (len(sys.argv) > 1 and sys.argv[1] in ("run", "cmdb-password-data-migrate"))):
 
             self.backend = backend
-            threading.Thread(target=self.watch_root_key, args=(app,)).start()
+            threading.Thread(target=self.watch_root_key, args=(app,), daemon=True).start()
 
             self.trigger = app.config.get("INNER_TRIGGER_TOKEN")
             if not self.trigger:
@@ -412,7 +413,7 @@ class KeyManage:
 class InnerCrypt:
     def __init__(self):
         self.encrypt_key = b64decode(secrets_encrypt_key)
-        #self.encrypt_key = b64decode(secrets_encrypt_key, "".encode("utf-8"))
+        # self.encrypt_key = b64decode(secrets_encrypt_key, "".encode("utf-8"))
 
     def encrypt(self, plaintext):
         """
@@ -490,4 +491,4 @@ if __name__ == "__main__":
     t_ciphertext, status1 = c.encrypt(t_plaintext)
     print("Ciphertext:", t_ciphertext)
     decrypted_plaintext, status2 = c.decrypt(t_ciphertext)
-    print("Decrypted plaintext:", decrypted_plaintext)
\ No newline at end of file
+    print("Decrypted plaintext:", decrypted_plaintext)