diff --git a/crates/codex-plus-core/src/install/mod.rs b/crates/codex-plus-core/src/install/mod.rs
index 2a201a19..6b950c13 100644
--- a/crates/codex-plus-core/src/install/mod.rs
+++ b/crates/codex-plus-core/src/install/mod.rs
@@ -129,7 +129,18 @@ pub fn default_install_root() -> Option<PathBuf> {
 
     #[cfg(target_os = "macos")]
     {
-        return Some(PathBuf::from("/Applications"));
+        let sys_apps = PathBuf::from("/Applications");
+        if sys_apps.join(format!("{SILENT_NAME}.app")).exists()
+            || sys_apps.join(format!("{MANAGER_NAME}.app")).exists()
+        {
+            return Some(sys_apps);
+        }
+        if let Ok(exe) = std::env::current_exe() {
+            if let Some(dir) = macos_applications_dir_from_exe(&exe) {
+                return Some(dir);
+            }
+        }
+        return Some(sys_apps);
     }
 
     #[cfg(not(any(windows, target_os = "macos")))]
diff --git a/crates/codex-plus-core/tests/model_catalog.rs b/crates/codex-plus-core/tests/model_catalog.rs
index 060ff364..d9d7c5f9 100644
--- a/crates/codex-plus-core/tests/model_catalog.rs
+++ b/crates/codex-plus-core/tests/model_catalog.rs
@@ -89,6 +89,8 @@ async fn model_catalog_uses_active_relay_profile_model_list_for_display() {
                     base_url: "https://example.test/v1".to_string(),
                     protocol: RelayProtocol::Responses,
                     model_list: "deepseek-coder\nqwen3-coder\nclaude-compatible".to_string(),
+                    config_contents: "model = \"qwen3-coder\"\n".to_string(),
+                    relay_mode: codex_plus_core::settings::RelayMode::MixedApi,
                     ..RelayProfile::default()
                 }],
                 ..BackendSettings::default()
diff --git a/scripts/installer/macos/package-dmg.sh b/scripts/installer/macos/package-dmg.sh
old mode 100644
new mode 100755
index 8752e204..a90ad6f7
--- a/scripts/installer/macos/package-dmg.sh
+++ b/scripts/installer/macos/package-dmg.sh
@@ -84,7 +84,6 @@ sign_app() {
 prepare_icon
 create_app "Codex++" "CodexPlusPlus" "$BINARY_DIR/codex-plus-plus" "com.bigpizzav3.codexplusplus" "true"
 create_app "Codex++ 管理工具" "CodexPlusPlusManager" "$BINARY_DIR/codex-plus-plus-manager" "com.bigpizzav3.codexplusplus.manager" "false"
-ln -s /Applications "$STAGE/Applications"
 
 sign_app "$STAGE/Codex++.app"
 sign_app "$STAGE/Codex++ 管理工具.app"