diff --git a/token-core/tcx/src/migration.rs b/token-core/tcx/src/migration.rs
index 39a1c0cd..b80872d2 100644
--- a/token-core/tcx/src/migration.rs
+++ b/token-core/tcx/src/migration.rs
@@ -3,7 +3,7 @@ use crate::api::{
     MigrateKeystoreParam, MigrateKeystoreResult, ScanLegacyKeystoresResult,
 };
 use crate::error_handling::Result;
-use crate::filemanager::{cache_keystore, KEYSTORE_MAP};
+use crate::filemanager::{cache_keystore, KEYSTORE_MAP, WALLET_FILE_DIR};
 use crate::filemanager::{flush_keystore, LEGACY_WALLET_FILE_DIR};
 use crate::handler::{encode_message, encrypt_xpub};
 use anyhow::anyhow;
@@ -138,7 +138,11 @@ pub(crate) fn migrate_keystore(data: &[u8]) -> Result<Vec<u8>> {
                 .collect();
             if existed_ks.len() > 0 {
                 is_existed = true;
-                existed_id = existed_ks[0].id().to_string();
+                existed_id = existed_ks
+                    .iter()
+                    .find(|ks| existed_keystore_file(&ks.id()))
+                    .expect("At least one keystore file should be existed")
+                    .id();
                 // Note: Temporary retention of the old ID,
                 // so that users can continue to use the old ID for subsequent operations.
                 keystore_map.insert(param.id, keystore.clone());
@@ -182,6 +186,12 @@ pub(crate) fn migrate_keystore(data: &[u8]) -> Result<Vec<u8>> {
     }
 }
 
+pub fn existed_keystore_file(id: &str) -> bool {
+    let file_path = format!("{}/{}.json", WALLET_FILE_DIR.read(), id);
+    let path = Path::new(&file_path);
+    path.exists()
+}
+
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct LegacyAccount {
diff --git a/token-core/tcx/tests/migration_test.rs b/token-core/tcx/tests/migration_test.rs
index 5093e3eb..66bb46d4 100644
--- a/token-core/tcx/tests/migration_test.rs
+++ b/token-core/tcx/tests/migration_test.rs
@@ -76,6 +76,69 @@ pub fn test_migrate_keystores_existed() {
     fs::remove_dir_all("../test-data/walletsV2").unwrap();
 }
 
+#[test]
+#[serial]
+pub fn test_migrate_keystores_multi_times() {
+    let _ = fs::remove_dir_all("../test-data/walletsV2");
+    init_token_core_x("../test-data");
+
+    let param: MigrateKeystoreParam = MigrateKeystoreParam {
+        id: "0a2756cd-ff70-437b-9bdb-ad46b8bb0819".to_string(),
+        network: "TESTNET".to_string(),
+        key: Some(migrate_keystore_param::Key::Password(
+            TEST_PASSWORD.to_string(),
+        )),
+    };
+    let ret = call_api("migrate_keystore", param).unwrap();
+    let result: MigrateKeystoreResult = MigrateKeystoreResult::decode(ret.as_slice()).unwrap();
+    let keystore = result.keystore.unwrap();
+    assert_eq!(keystore.id, "0a2756cd-ff70-437b-9bdb-ad46b8bb0819");
+    assert_eq!(
+        keystore.identifier,
+        "im18MDKM8hcTykvMmhLnov9m2BaFqsdjoA7cwNg"
+    );
+    assert_eq!(
+        keystore.ipfs_id,
+        "QmSTTidyfa4np9ak9BZP38atuzkCHy4K59oif23f4dNAGU"
+    );
+    assert_eq!(keystore.created_at, 1703213098);
+    assert_eq!(keystore.source, "MNEMONIC");
+    assert_eq!(keystore.name, "tcx-wallet");
+    assert_eq!(
+        keystore.source_fingerprint,
+        "0x1468dba9c246fe22183c056540ab4d8b04553217"
+    );
+
+    let param: MigrateKeystoreParam = MigrateKeystoreParam {
+            id: "00fc0804-7cea-46d8-9e95-ed1efac65358".to_string(),
+            network: "TESTNET".to_string(),
+            key: Some(migrate_keystore_param::Key::DerivedKey(
+                "2d7380db28736ae5b0693340a5731e137759d32bbcc1f7988574bc5a1ffd97f3411b4edc14ea648fa17d511129e81a84d2b8a00d45bc37f4784e49b641d5c3be".to_string(),
+            )),
+        };
+    let ret = call_api("migrate_keystore", param).unwrap();
+    let result: MigrateKeystoreResult = MigrateKeystoreResult::decode(ret.as_slice()).unwrap();
+    assert!(result.is_existed);
+    assert_eq!(result.existed_id, "0a2756cd-ff70-437b-9bdb-ad46b8bb0819");
+
+    let param: MigrateKeystoreParam = MigrateKeystoreParam {
+        id: "1bfddca9-84dc-4561-bbe9-844a9ff2b281".to_string(),
+        network: "TESTNET".to_string(),
+        key: Some(migrate_keystore_param::Key::DerivedKey(
+            "2d7380db28736ae5b0693340a5731e137759d32bbcc1f7988574bc5a1ffd97f3411b4edc14ea648fa17d511129e81a84d2b8a00d45bc37f4784e49b641d5c3be".to_string(),
+        )),
+    };
+
+    for _ in 1..100 {
+        let ret = call_api("migrate_keystore", param.clone()).unwrap();
+        let result: MigrateKeystoreResult = MigrateKeystoreResult::decode(ret.as_slice()).unwrap();
+        assert!(result.is_existed);
+        assert_eq!(result.existed_id, "0a2756cd-ff70-437b-9bdb-ad46b8bb0819");
+    }
+
+    fs::remove_dir_all("../test-data/walletsV2").unwrap();
+}
+
 #[test]
 #[serial]
 pub fn test_migrate_keystores_existed_mainnet() {
diff --git a/token-core/test-data/wallets/1bfddca9-84dc-4561-bbe9-844a9ff2b281 b/token-core/test-data/wallets/1bfddca9-84dc-4561-bbe9-844a9ff2b281
new file mode 100644
index 00000000..85a05f79
--- /dev/null
+++ b/token-core/test-data/wallets/1bfddca9-84dc-4561-bbe9-844a9ff2b281
@@ -0,0 +1,39 @@
+{
+  "address": "2MwN441dq8qudMvtM5eLVwC3u4zfKuGSQAB",
+  "imTokenMeta": {
+    "source": "RECOVERED_IDENTITY",
+    "timestamp": "1703213076.948025",
+    "backup": [],
+    "mode": "normal",
+    "name": "a clone of 00fc0804-7cea-46d8-9e95-ed1efac65358",
+    "version": "iOS-2.14.1.1742",
+    "passwordHint": "",
+    "chain": "BITCOIN",
+    "network": "TESTNET",
+    "segWit": "P2WPKH"
+  },
+  "id": "1bfddca9-84dc-4561-bbe9-844a9ff2b281",
+  "encMnemonic": {
+    "nonce": "406c972f073ebf5b9102d262e6713408",
+    "encStr": "76b940d06641023f995cffde6ee9c4bc7c063a780897b5debd619aafc769b37db684eafb10dd48c3c3cbcb810952bb4455984fde5aa34a1dfb4d5ad93293c0d3f3a78124639a4530b4c2"
+  },
+  "xpub": "tpubDCwNET9ErXmBracx3ZBfi6rXQZRjYkpitFe23FAW9M3RcCw4aveNC4SAV5yYrFDjtP3b46eFfv4VtiYP3EXoTZsbnJia2yNznExS8EEcACv",
+  "crypto": {
+    "kdfparams": {
+      "dklen": 32,
+      "r": 8,
+      "salt": "8fac63b4cc6d75817269a380bc8107572ecba3a8fe1ab87e46e30ab696ce2320",
+      "p": 1,
+      "n": 262144
+    },
+    "mac": "6daa39ee727416a135b02d6183c71624de0b7cf74fb3a3d1562488e66f308c76",
+    "cipher": "aes-128-ctr",
+    "ciphertext": "cdde8cafd9eff3f9715ef40577913e2ded3b8a9f009781d3367e4a1b02e95894c45ab6ef2658e7ef99b8437cba0f05f5c12caca60e97745b71581075f086a57afac8f626f3d2f7c94813edb6eb26b5cf8147fd32419a3abc762d71dc2be77d555cb75e983a74fa45f7b08e59ce7945",
+    "cipherparams": {
+      "iv": "a575c61a89577eea45af32df6aa4005a"
+    },
+    "kdf": "scrypt"
+  },
+  "version": 44,
+  "mnemonicPath": "m/49'/1'/0'"
+}