diff --git a/src/main/kotlin/cc/unitmesh/devti/llms/openai/OpenAIProvider.kt b/src/main/kotlin/cc/unitmesh/devti/llms/openai/OpenAIProvider.kt
index d35c3ed33e..63de102d4d 100644
--- a/src/main/kotlin/cc/unitmesh/devti/llms/openai/OpenAIProvider.kt
+++ b/src/main/kotlin/cc/unitmesh/devti/llms/openai/OpenAIProvider.kt
@@ -8,6 +8,7 @@ import cc.unitmesh.devti.coder.recording.Recording
 import cc.unitmesh.devti.coder.recording.RecordingInstruction
 import cc.unitmesh.devti.settings.AutoDevSettingsState
 import cc.unitmesh.devti.settings.coder.coderSetting
+import cc.unitmesh.devti.settings.SELECT_CUSTOM_MODEL
 import com.intellij.openapi.components.Service
 import com.intellij.openapi.components.service
 import com.intellij.openapi.diagnostic.Logger
@@ -63,7 +64,13 @@ class OpenAIProvider(val project: Project) : LLMProvider {
 
     private val timeout = Duration.ofSeconds(600)
     private val openAiVersion: String
-        get() = AutoDevSettingsState.getInstance().openAiModel
+        get() {
+            val customModel = AutoDevSettingsState.getInstance().customModel
+            if(AutoDevSettingsState.getInstance().openAiModel == SELECT_CUSTOM_MODEL) {
+                AutoDevSettingsState.getInstance().openAiModel = customModel
+            }
+            return  AutoDevSettingsState.getInstance().openAiModel
+        }
     private val openAiKey: String
         get() = AutoDevSettingsState.getInstance().openAiKey
 
diff --git a/src/main/kotlin/cc/unitmesh/devti/settings/AutoDevSettingsState.kt b/src/main/kotlin/cc/unitmesh/devti/settings/AutoDevSettingsState.kt
index badb23925e..086169f86d 100644
--- a/src/main/kotlin/cc/unitmesh/devti/settings/AutoDevSettingsState.kt
+++ b/src/main/kotlin/cc/unitmesh/devti/settings/AutoDevSettingsState.kt
@@ -21,6 +21,7 @@ class AutoDevSettingsState : PersistentStateComponent<AutoDevSettingsState> {
     var customEngineServer = ""
     var customEngineToken = ""
     var customPrompts = ""
+    var customModel = ""
 
     // 星火有三个版本 https://console.xfyun.cn/services/bm3
     var xingHuoApiVersion = XingHuoApiVersion.V3
diff --git a/src/main/kotlin/cc/unitmesh/devti/settings/Constants.kt b/src/main/kotlin/cc/unitmesh/devti/settings/Constants.kt
index 01710ec47e..b6c9b1d494 100644
--- a/src/main/kotlin/cc/unitmesh/devti/settings/Constants.kt
+++ b/src/main/kotlin/cc/unitmesh/devti/settings/Constants.kt
@@ -1,6 +1,6 @@
 package cc.unitmesh.devti.settings
 
-val OPENAI_MODEL = arrayOf("gpt-3.5-turbo", "gpt-3.5-turbo-16k", "gpt-4")
+val OPENAI_MODEL = arrayOf("gpt-3.5-turbo", "gpt-3.5-turbo-16k", "gpt-4", "custom")
 val AI_ENGINES = arrayOf("OpenAI", "Custom", "Azure", "XingHuo")
 
 enum class AIEngines {
@@ -35,3 +35,4 @@ val DEFAULT_AI_MODEL = OPENAI_MODEL[0]
 val HUMAN_LANGUAGES = arrayOf("English", "中文")
 val DEFAULT_HUMAN_LANGUAGE = HUMAN_LANGUAGES[0]
 val MAX_TOKEN_LENGTH = 4000
+val SELECT_CUSTOM_MODEL = "custom"
diff --git a/src/main/kotlin/cc/unitmesh/devti/settings/LLMSettingComponent.kt b/src/main/kotlin/cc/unitmesh/devti/settings/LLMSettingComponent.kt
index b6b43bc98f..4375184b2b 100644
--- a/src/main/kotlin/cc/unitmesh/devti/settings/LLMSettingComponent.kt
+++ b/src/main/kotlin/cc/unitmesh/devti/settings/LLMSettingComponent.kt
@@ -23,6 +23,7 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
     private val maxTokenLengthParam by LLMParam.creating { Editable(settings.maxTokenLength) }
     private val openAIModelsParam by LLMParam.creating { ComboBox(settings.openAiModel, OPENAI_MODEL.toList()) }
     private val openAIKeyParam by LLMParam.creating { Password(settings.openAiKey) }
+    private val customModelParam: LLMParam by LLMParam.creating { Editable(settings.customModel) }
     private val customOpenAIHostParam: LLMParam by LLMParam.creating { Editable(settings.customOpenAiHost) }
 
     private val gitTypeParam: LLMParam by LLMParam.creating { ComboBox(settings.gitType, GIT_TYPE.toList()) }
@@ -78,6 +79,7 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
             AIEngines.OpenAI to listOf(
                     openAIModelsParam,
                     openAIKeyParam,
+                    customModelParam,
                     customOpenAIHostParam,
             ),
             AIEngines.Custom to listOf(
@@ -89,10 +91,10 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
             ),
             AIEngines.XingHuo to listOf(
                     xingHuoApiVersionParam,
-            xingHuoAppIDParam,
-            xingHuoApiKeyParam,
-            xingHuoApiSecretParam,
-        ),
+                    xingHuoAppIDParam,
+                    xingHuoApiKeyParam,
+                    xingHuoApiSecretParam,
+            ),
     )
 
 
@@ -186,6 +188,7 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
             gitLabTokenParam.value = gitlabToken
             gitLabUrlParam.value = gitlabUrl
             openAIKeyParam.value = openAiKey
+            customModelParam.value = customModel
             customOpenAIHostParam.value = customOpenAiHost
             customEngineServerParam.value = customEngineServer
             customEngineResponseTypeParam.value = customEngineResponseType
@@ -212,6 +215,7 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
             gitlabUrl = gitLabUrlParam.value
             gitlabToken = gitLabTokenParam.value
             openAiKey = openAIKeyParam.value
+            customModel = customModelParam.value
             customOpenAiHost = customOpenAIHostParam.value
             xingHuoApiSecrect = xingHuoApiSecretParam.value
             xingHuoApiVersion = XingHuoApiVersion.of(xingHuoApiVersionParam.value)
@@ -237,6 +241,7 @@ class LLMSettingComponent(private val settings: AutoDevSettingsState) {
                 settings.gitlabUrl != gitLabUrlParam.value ||
                 settings.gitlabToken != gitLabTokenParam.value ||
                 settings.openAiKey != openAIKeyParam.value ||
+                settings.customModel != customModelParam.value ||
                 settings.xingHuoApiSecrect != xingHuoApiSecretParam.value ||
                 settings.xingHuoApiVersion != XingHuoApiVersion.of(xingHuoApiVersionParam.value) ||
                 settings.xingHuoAppId != xingHuoAppIDParam.value ||
diff --git a/src/main/resources/messages/AutoDevBundle.properties b/src/main/resources/messages/AutoDevBundle.properties
index 3132dbc615..ac1fa11de6 100644
--- a/src/main/resources/messages/AutoDevBundle.properties
+++ b/src/main/resources/messages/AutoDevBundle.properties
@@ -56,6 +56,7 @@ settings.xingHuoApiKeyParam=XingHuo API Key
 settings.xingHuoApiSecretParam=XingHuo API Secret
 settings.xingHuoAppIDParam=XingHuo App ID
 settings.xingHuoApiVersionParam=XingHuo API Version
+settings.customModelParam= Custom Model
 
 settings.delaySecondsParam=Quest Delay Seconds
 settings.customEngineResponseFormatParam=Custom Response Format (Json Path)