diff --git a/Easydict/Swift/Feature/Configuration/Configuration+Defaults.swift b/Easydict/Swift/Feature/Configuration/Configuration+Defaults.swift
index 02003148e..752cb596d 100644
--- a/Easydict/Swift/Feature/Configuration/Configuration+Defaults.swift
+++ b/Easydict/Swift/Feature/Configuration/Configuration+Defaults.swift
@@ -206,6 +206,10 @@ extension Defaults.Keys {
         EZOpenAIAvailableModelsKey,
         default: OpenAIModel.allCases.map { $0.rawValue }.joined(separator: ",")
     )
+    static let openAIVaildModels = Key<Array>(
+        "EZOpenAIValidModelsKey",
+        default: OpenAIModel.allCases.map { $0.rawValue }
+    )
 
     // Custom OpenAI
     static let customOpenAINameKey = Key<String?>(
@@ -223,6 +227,10 @@ extension Defaults.Keys {
     static let customOpenAIEndPoint = Key<String?>(EZCustomOpenAIEndPointKey, default: "")
     static let customOpenAIModel = Key<String>(EZCustomOpenAIModelKey, default: "")
     static let customOpenAIModelsAvailable = Key<String?>(EZCustomOpenAIModelssAvailableKey, default: "")
+    static let customOpenAIVaildModels = Key<Array>(
+        "EZCustomOpenAIValidModelsKey",
+        default: [""]
+    )
 
     // DeepL
     static let deepLAuth = Key<String?>(EZDeepLAuthKey)
diff --git a/Easydict/Swift/Service/CustomOpenAI/CustomOpenAIService.swift b/Easydict/Swift/Service/CustomOpenAI/CustomOpenAIService.swift
index abafaa320..eea956b6f 100644
--- a/Easydict/Swift/Service/CustomOpenAI/CustomOpenAIService.swift
+++ b/Easydict/Swift/Service/CustomOpenAI/CustomOpenAIService.swift
@@ -50,9 +50,7 @@ class CustomOpenAIService: BaseOpenAIService {
     }
 
     override var availableModels: [String] {
-        let models = Defaults[.customOpenAIModelsAvailable]
-        guard let models, !models.isEmpty else { return [] }
-        return models.components(separatedBy: ",").filter { !$0.isEmpty }
+        Defaults[.customOpenAIVaildModels]
     }
 
     override func serviceType() -> ServiceType {
diff --git a/Easydict/Swift/Service/OpenAI/BaseOpenAIService.swift b/Easydict/Swift/Service/OpenAI/BaseOpenAIService.swift
index 688fe5b67..11d7f4e35 100644
--- a/Easydict/Swift/Service/OpenAI/BaseOpenAIService.swift
+++ b/Easydict/Swift/Service/OpenAI/BaseOpenAIService.swift
@@ -124,10 +124,7 @@ public class BaseOpenAIService: QueryService {
     // MARK: Internal
 
     var availableModels: [String] {
-        let models = Defaults[.openAIAvailableModels]
-        guard let models, !models.isEmpty else { return [] }
-        return models.components(separatedBy: ",").map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
-            .filter { !$0.isEmpty }
+        Defaults[.openAIVaildModels]
     }
 
     var model: String {
diff --git a/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/CustomOpenAIService+ConfigurableService.swift b/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/CustomOpenAIService+ConfigurableService.swift
index 67a2ddc18..7bc42dd88 100644
--- a/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/CustomOpenAIService+ConfigurableService.swift
+++ b/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/CustomOpenAIService+ConfigurableService.swift
@@ -158,10 +158,13 @@ private class CustomOpenAIViewModel: ObservableObject {
             validModels = []
             return
         }
-        validModels = availableModels.components(separatedBy: ",").filter { !$0.isEmpty }
+        validModels = availableModels.components(separatedBy: ",")
+            .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }.filter { !$0.isEmpty }
         if validModels.count == 1 || !validModels.contains(model) {
             model = validModels[0]
         }
+
+        Defaults[.customOpenAIVaildModels] = validModels
     }
 
     private func serviceConfigChanged() {
diff --git a/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/OpenAIService+ConfigurableService.swift b/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/OpenAIService+ConfigurableService.swift
index b81972cfa..aa5837f03 100644
--- a/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/OpenAIService+ConfigurableService.swift
+++ b/Easydict/Swift/View/SettingView/Tabs/ServiceConfigurationView/QueryService+ConfigurableService/OpenAIService+ConfigurableService.swift
@@ -149,6 +149,8 @@ private class OpenAIServiceViewModel: ObservableObject {
         if validModels.count == 1 || !validModels.contains(model) {
             model = validModels[0]
         }
+
+        Defaults[.openAIVaildModels] = validModels
     }
 
     private func serviceConfigChanged() {