diff --git a/Package.swift b/Package.swift
index c1d3a1a..903d555 100644
--- a/Package.swift
+++ b/Package.swift
@@ -21,7 +21,7 @@ let package = Package(
         .package(url: "https://github.com/SwiftyJSON/SwiftyJSON", .upToNextMajor(from: "5.0.1")),
         .package(url: "https://github.com/drmohundro/SWXMLHash", .upToNextMajor(from: "7.0.2")),
         .package(url: "https://github.com/scinfu/SwiftSoup", .upToNextMajor(from: "2.6.1")),
-        .package(url: "https://github.com/juyan/swift-filestore", .upToNextMajor(from: "0.2.0")),
+        .package(url: "https://github.com/juyan/swift-filestore", .upToNextMajor(from: "0.5.0")),
         .package(url: "https://github.com/ZachNagengast/similarity-search-kit.git", from: "0.0.11"),
         .package(url: "https://github.com/google/generative-ai-swift", .upToNextMajor(from: "0.4.4")),
     ],
diff --git a/Sources/LangChain/llms/Gemini.swift b/Sources/LangChain/llms/Gemini.swift
new file mode 100644
index 0000000..9857aab
--- /dev/null
+++ b/Sources/LangChain/llms/Gemini.swift
@@ -0,0 +1,24 @@
+//
+//  File.swift
+//  
+//
+//  Created by 顾艳华 on 12/25/23.
+//
+
+import Foundation
+import GoogleGenerativeAI
+
+public class Gemini: LLM {
+    override func _send(text: String, stops: [String]) async throws -> LLMResult {
+        let env = Env.loadEnv()
+        
+        if let apiKey = env["GOOGLEAI_API_KEY"] {
+            let model = GenerativeModel(name: "gemini-pro", apiKey: apiKey)
+            let response = try await model.generateContent(text)
+            return LLMResult(llm_output: response.text)
+        } else {
+            print("Please set openai api key.")
+            return LLMResult(llm_output: "Please set openai api key.")
+        }
+    }
+}