diff --git a/libs/app-error/src/lib.rs b/libs/app-error/src/lib.rs
index 100e570e..2d629765 100644
--- a/libs/app-error/src/lib.rs
+++ b/libs/app-error/src/lib.rs
@@ -433,6 +433,7 @@ pub enum ErrorCode {
   AIImageResponseLimitExceeded = 1058,
   MailerError = 1059,
   LicenseError = 1060,
+  AIMaxRequired = 1061,
 }
 
 impl ErrorCode {
diff --git a/libs/appflowy-ai-client/src/dto.rs b/libs/appflowy-ai-client/src/dto.rs
index d4cb6f3f..6f4e2adc 100644
--- a/libs/appflowy-ai-client/src/dto.rs
+++ b/libs/appflowy-ai-client/src/dto.rs
@@ -374,9 +374,16 @@ pub struct LocalAIConfig {
   pub plugin: AppFlowyOfflineAI,
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct AvailableModel {
+  pub name: String,
+  #[serde(skip_serializing_if = "Option::is_none")]
+  pub metadata: Option<serde_json::Value>,
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct ModelList {
-  pub models: Vec<String>,
+  pub models: Vec<AvailableModel>,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]