diff --git a/crates/codex-plus-core/src/relay_config.rs b/crates/codex-plus-core/src/relay_config.rs
index 9a90373e8..77b75dc16 100644
--- a/crates/codex-plus-core/src/relay_config.rs
+++ b/crates/codex-plus-core/src/relay_config.rs
@@ -790,6 +790,43 @@ pub fn backfill_relay_profile_from_home_with_common(
     Ok(())
 }
 
+/// Syncs the current ChatGPT login into official profiles that share the same account.
+///
+/// Profiles whose auth identifies a different account are preserved so that
+/// manually-bound provider accounts are not overwritten. Unknown identities are
+/// not matched because treating two missing identities as equal could cross accounts.
+pub fn sync_official_auth_from_live(
+    home: &Path,
+    profiles: &mut [RelayProfile],
+) -> anyhow::Result<usize> {
+    let auth = read_optional_text(&home.join("auth.json"))?;
+    if !auth_contents_looks_like_chatgpt_auth(&auth) {
+        return Ok(0);
+    }
+    let auth = remove_openai_api_key_from_auth_contents(&auth)?;
+    if auth.trim().is_empty() {
+        return Ok(0);
+    }
+    let Some(live_identity) = auth_contents_chatgpt_identity(&auth) else {
+        return Ok(0);
+    };
+
+    let mut updated = 0;
+    for profile in profiles {
+        if profile.relay_mode == crate::settings::RelayMode::Official
+            && !profile.auth_contents.trim().is_empty()
+            && auth_contents_looks_like_chatgpt_auth(&profile.auth_contents)
+            && auth_contents_chatgpt_identity(&profile.auth_contents)
+                .is_some_and(|identity| identity.can_refresh_from(&live_identity))
+            && profile.auth_contents != auth
+        {
+            profile.auth_contents = auth.clone();
+            updated += 1;
+        }
+    }
+    Ok(updated)
+}
+
 pub fn extract_common_config_from_config(config_text: &str) -> anyhow::Result<String> {
     let mut doc = parse_toml_document(config_text)?;
     remove_provider_specific_common_keys(doc.as_table_mut());
@@ -2763,18 +2800,83 @@ fn account_label_from_tokens(tokens: &Value) -> Option<String> {
     })
 }
 
-fn account_label_from_jwt(token: &str) -> Option<String> {
-    let payload = token.split('.').nth(1)?;
-    use base64::Engine;
-    let decoded = base64::engine::general_purpose::URL_SAFE_NO_PAD
-        .decode(payload.as_bytes())
-        .ok()
+#[derive(Debug, Clone, PartialEq, Eq)]
+struct ChatGptIdentity {
+    account_id: Option<String>,
+    email: Option<String>,
+}
+
+impl ChatGptIdentity {
+    fn can_refresh_from(&self, live: &Self) -> bool {
+        if let Some(profile_account_id) = self.account_id.as_deref() {
+            return live.account_id.as_deref() == Some(profile_account_id);
+        }
+        match (self.email.as_deref(), live.email.as_deref()) {
+            (Some(profile_email), Some(live_email)) => {
+                profile_email.eq_ignore_ascii_case(live_email)
+            }
+            _ => false,
+        }
+    }
+}
+
+fn auth_contents_chatgpt_identity(contents: &str) -> Option<ChatGptIdentity> {
+    let value: Value = serde_json::from_str(contents).ok()?;
+    let tokens = value.get("tokens")?;
+    let account_id = tokens
+        .get("account_id")
+        .and_then(Value::as_str)
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(ToString::to_string)
         .or_else(|| {
-            base64::engine::general_purpose::URL_SAFE
-                .decode(payload.as_bytes())
-                .ok()
-        })?;
-    let value: Value = serde_json::from_slice(&decoded).ok()?;
+            ["id_token", "access_token"].iter().find_map(|key| {
+                tokens
+                    .get(*key)
+                    .and_then(Value::as_str)
+                    .and_then(jwt_chatgpt_account_id)
+            })
+        });
+    let email = ["id_token", "access_token"].iter().find_map(|key| {
+        tokens
+            .get(*key)
+            .and_then(Value::as_str)
+            .and_then(jwt_account_email)
+    });
+    if account_id.is_none() && email.is_none() {
+        return None;
+    }
+    Some(ChatGptIdentity { account_id, email })
+}
+
+fn jwt_chatgpt_account_id(token: &str) -> Option<String> {
+    jwt_payload(token)?
+        .get("https://api.openai.com/auth")
+        .and_then(|auth| auth.get("chatgpt_account_id"))
+        .and_then(Value::as_str)
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(ToString::to_string)
+}
+
+fn jwt_account_email(token: &str) -> Option<String> {
+    let value = jwt_payload(token)?;
+    value
+        .get("email")
+        .and_then(Value::as_str)
+        .or_else(|| {
+            value
+                .get("https://api.openai.com/profile")
+                .and_then(|profile| profile.get("email"))
+                .and_then(Value::as_str)
+        })
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(ToString::to_string)
+}
+
+fn account_label_from_jwt(token: &str) -> Option<String> {
+    let value = jwt_payload(token)?;
     value
         .get("email")
         .and_then(Value::as_str)
@@ -2790,6 +2892,20 @@ fn account_label_from_jwt(token: &str) -> Option<String> {
         .map(ToString::to_string)
 }
 
+fn jwt_payload(token: &str) -> Option<Value> {
+    let payload = token.split('.').nth(1)?;
+    use base64::Engine;
+    let decoded = base64::engine::general_purpose::URL_SAFE_NO_PAD
+        .decode(payload.as_bytes())
+        .ok()
+        .or_else(|| {
+            base64::engine::general_purpose::URL_SAFE
+                .decode(payload.as_bytes())
+                .ok()
+        })?;
+    serde_json::from_slice(&decoded).ok()
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/crates/codex-plus-core/src/relay_switch.rs b/crates/codex-plus-core/src/relay_switch.rs
index e366bf2b6..156193214 100644
--- a/crates/codex-plus-core/src/relay_switch.rs
+++ b/crates/codex-plus-core/src/relay_switch.rs
@@ -5,6 +5,7 @@ use anyhow::Context;
 
 use crate::relay_config::{
     backfill_relay_profile_from_home_with_common, relay_config_status_from_home,
+    sync_official_auth_from_live,
 };
 use crate::settings::{BackendSettings, RelayMode, SettingsStore};
 
@@ -34,6 +35,8 @@ pub fn switch_relay_profile_in_home(
     {
         backfill_profile_before_switch(home, &mut selected_settings, previous_active_relay_id)?;
     }
+    sync_official_auth_from_live(home, &mut selected_settings.relay_profiles)
+        .context("同步官方登录状态到供应商配置失败")?;
 
     store
         .save(&selected_settings)
diff --git a/crates/codex-plus-core/tests/relay_switch.rs b/crates/codex-plus-core/tests/relay_switch.rs
index d9170ae6a..9c8c80fb0 100644
--- a/crates/codex-plus-core/tests/relay_switch.rs
+++ b/crates/codex-plus-core/tests/relay_switch.rs
@@ -1,3 +1,4 @@
+use codex_plus_core::relay_config::sync_official_auth_from_live;
 use codex_plus_core::relay_switch::switch_relay_profile_in_home;
 use codex_plus_core::settings::{
     AggregateRelayMember, AggregateRelayProfile, AggregateRelayStrategy, BackendSettings,
@@ -190,6 +191,203 @@ base_url = "https://edited-a.example/v1"
     assert_eq!(stored.launch_mode, LaunchMode::Patch);
 }
 
+#[test]
+fn switch_syncs_live_chatgpt_auth_to_all_official_profiles() {
+    let temp = tempfile::tempdir().unwrap();
+    let home = temp.path().join("codex");
+    std::fs::create_dir(&home).unwrap();
+    std::fs::write(home.join("config.toml"), "").unwrap();
+    let live_auth = r#"{
+  "auth_mode": "chatgpt",
+  "OPENAI_API_KEY": "must-not-be-copied",
+  "tokens": {
+    "access_token": "new-access",
+    "id_token": "x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20iLCJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjb3VudC1hIn19.y",
+    "account_id": "account-a",
+    "refresh_token": "new-refresh"
+  }
+}"#;
+    std::fs::write(home.join("auth.json"), live_auth).unwrap();
+    let expected_auth = serde_json::json!({
+        "auth_mode": "chatgpt",
+        "tokens": {
+            "access_token": "new-access",
+            "id_token": "x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20iLCJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjb3VudC1hIn19.y",
+            "account_id": "account-a",
+            "refresh_token": "new-refresh"
+        }
+    });
+
+    let store = SettingsStore::new(temp.path().join("settings.json"));
+    let official_a = official_profile(
+        "a",
+        r#"{"auth_mode":"chatgpt","tokens":{"access_token":"old-a","account_id":"account-a"}}"#,
+    );
+    // Legacy snapshots without account_id still match by email.
+    let official_b = official_profile(
+        "b",
+        r#"{"auth_mode":"chatgpt","tokens":{"access_token":"old-b","id_token":"x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20ifQ.y"}}"#,
+    );
+    let official_mix = RelayProfile {
+        id: "mixed".to_string(),
+        name: "Mixed".to_string(),
+        relay_mode: RelayMode::Official,
+        official_mix_api_key: true,
+        config_contents: r#"model_provider = "custom"
+
+[model_providers.custom]
+name = "custom"
+wire_api = "responses"
+requires_openai_auth = true
+base_url = "https://mixed.example/v1"
+"#
+        .to_string(),
+        auth_contents: r#"{"auth_mode":"chatgpt","tokens":{"access_token":"old-mixed","id_token":"x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20iLCJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjb3VudC1hIn19.y"}}"#
+            .to_string(),
+        ..RelayProfile::default()
+    };
+    let other_account = official_profile(
+        "other",
+        r#"{"auth_mode":"chatgpt","tokens":{"account_id":"account-b","id_token":"x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20iLCJodHRwczovL2FwaS5vcGVuYWkuY29tL2F1dGgiOnsiY2hhdGdwdF9hY2NvdW50X2lkIjoiYWNjb3VudC1iIn19.y"}}"#,
+    );
+    let pure = pure_profile("api", "https://api.example/v1", "sk-api");
+    let original = BackendSettings {
+        active_relay_id: "a".to_string(),
+        relay_profiles: vec![
+            official_a.clone(),
+            official_b.clone(),
+            official_mix.clone(),
+            other_account.clone(),
+            pure.clone(),
+        ],
+        ..BackendSettings::default()
+    };
+    store.save(&original).unwrap();
+    let next = BackendSettings {
+        active_relay_id: "b".to_string(),
+        relay_profiles: vec![
+            official_a,
+            official_b,
+            official_mix,
+            other_account.clone(),
+            pure.clone(),
+        ],
+        ..BackendSettings::default()
+    };
+
+    switch_relay_profile_in_home(&store, &home, next, "a").unwrap();
+
+    let stored = store.load().unwrap();
+    for profile in stored
+        .relay_profiles
+        .iter()
+        .filter(|profile| matches!(profile.id.as_str(), "a" | "b" | "mixed"))
+    {
+        assert_eq!(
+            serde_json::from_str::<serde_json::Value>(&profile.auth_contents).unwrap(),
+            expected_auth,
+            "official profile {} should carry live auth",
+            profile.id
+        );
+    }
+    let stored_pure = stored
+        .relay_profiles
+        .iter()
+        .find(|profile| profile.id == "api")
+        .unwrap();
+    assert_eq!(stored_pure.auth_contents, pure.auth_contents);
+    let stored_other = stored
+        .relay_profiles
+        .iter()
+        .find(|profile| profile.id == "other")
+        .unwrap();
+    assert_eq!(
+        serde_json::from_str::<serde_json::Value>(&stored_other.auth_contents).unwrap(),
+        serde_json::from_str::<serde_json::Value>(&other_account.auth_contents).unwrap()
+    );
+}
+
+#[test]
+fn switch_preserves_official_profiles_when_account_identity_is_unknown() {
+    let temp = tempfile::tempdir().unwrap();
+    let home = temp.path().join("codex");
+    std::fs::create_dir(&home).unwrap();
+    std::fs::write(home.join("config.toml"), "").unwrap();
+    std::fs::write(
+        home.join("auth.json"),
+        r#"{"auth_mode":"chatgpt","tokens":{"refresh_token":"live-refresh"}}"#,
+    )
+    .unwrap();
+
+    let first = official_profile(
+        "first",
+        r#"{"auth_mode":"chatgpt","tokens":{"refresh_token":"first-refresh"}}"#,
+    );
+    let second = official_profile(
+        "second",
+        r#"{"auth_mode":"chatgpt","tokens":{"refresh_token":"second-refresh"}}"#,
+    );
+    let store = SettingsStore::new(temp.path().join("settings.json"));
+    let original = BackendSettings {
+        active_relay_id: "first".to_string(),
+        relay_profiles: vec![first.clone(), second.clone()],
+        ..BackendSettings::default()
+    };
+    store.save(&original).unwrap();
+    let next = BackendSettings {
+        active_relay_id: "second".to_string(),
+        relay_profiles: vec![first.clone(), second.clone()],
+        ..BackendSettings::default()
+    };
+
+    switch_relay_profile_in_home(&store, &home, next, "").unwrap();
+
+    let stored = store.load().unwrap();
+    assert_eq!(
+        serde_json::from_str::<serde_json::Value>(&stored.relay_profiles[0].auth_contents).unwrap(),
+        serde_json::from_str::<serde_json::Value>(&first.auth_contents).unwrap()
+    );
+    assert_eq!(
+        serde_json::from_str::<serde_json::Value>(&stored.relay_profiles[1].auth_contents).unwrap(),
+        serde_json::from_str::<serde_json::Value>(&second.auth_contents).unwrap()
+    );
+}
+
+#[test]
+fn auth_sync_ignores_non_chatgpt_profile_auth() {
+    let temp = tempfile::tempdir().unwrap();
+    std::fs::write(
+        temp.path().join("auth.json"),
+        r#"{"auth_mode":"chatgpt","tokens":{"account_id":"account-a","access_token":"live"}}"#,
+    )
+    .unwrap();
+    let original_auth =
+        r#"{"auth_mode":"apikey","tokens":{"account_id":"account-a","access_token":"keep-me"}}"#;
+    let mut profiles = vec![official_profile("api-auth", original_auth)];
+
+    let updated = sync_official_auth_from_live(temp.path(), &mut profiles).unwrap();
+
+    assert_eq!(updated, 0);
+    assert_eq!(profiles[0].auth_contents, original_auth);
+}
+
+#[test]
+fn auth_sync_requires_live_account_id_for_bound_profile() {
+    let temp = tempfile::tempdir().unwrap();
+    std::fs::write(
+        temp.path().join("auth.json"),
+        r#"{"auth_mode":"chatgpt","tokens":{"id_token":"x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20ifQ.y","access_token":"live"}}"#,
+    )
+    .unwrap();
+    let original_auth = r#"{"auth_mode":"chatgpt","tokens":{"account_id":"bound-account","id_token":"x.eyJlbWFpbCI6InVzZXJAZXhhbXBsZS5jb20ifQ.y","access_token":"stored"}}"#;
+    let mut profiles = vec![official_profile("bound", original_auth)];
+
+    let updated = sync_official_auth_from_live(temp.path(), &mut profiles).unwrap();
+
+    assert_eq!(updated, 0);
+    assert_eq!(profiles[0].auth_contents, original_auth);
+}
+
 #[test]
 fn switch_to_aggregate_relay_allows_empty_config_snapshot() {
     let temp = tempfile::tempdir().unwrap();
@@ -379,3 +577,13 @@ base_url = "{base_url}"
         ..RelayProfile::default()
     }
 }
+
+fn official_profile(id: &str, auth_contents: &str) -> RelayProfile {
+    RelayProfile {
+        id: id.to_string(),
+        name: id.to_uppercase(),
+        relay_mode: RelayMode::Official,
+        auth_contents: auth_contents.to_string(),
+        ..RelayProfile::default()
+    }
+}