diff --git a/app/src-tauri/tauri.conf.json b/app/src-tauri/tauri.conf.json
index b49ed40..bdb10cb 100644
--- a/app/src-tauri/tauri.conf.json
+++ b/app/src-tauri/tauri.conf.json
@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "chatnio",
-    "version": "3.7.0"
+    "version": "3.7.2"
   },
   "tauri": {
     "allowlist": {
diff --git a/app/src/admin/channel.ts b/app/src/admin/channel.ts
index dce0135..6e531b6 100644
--- a/app/src/admin/channel.ts
+++ b/app/src/admin/channel.ts
@@ -69,7 +69,7 @@ export const ChannelInfos: Record<string, ChannelInfo> = {
     id: 1,
     endpoint: "https://api.anthropic.com",
     format: "<x-api-key>",
-    models: ["claude-instant-1", "claude-2"],
+    models: ["claude-instant-1", "claude-2", "claude-2.1"],
   },
   slack: {
     id: 2,
diff --git a/app/src/admin/colors.ts b/app/src/admin/colors.ts
index 15cc449..66a6ff1 100644
--- a/app/src/admin/colors.ts
+++ b/app/src/admin/colors.ts
@@ -34,6 +34,7 @@ export const modelColorMapper: Record<string, string> = {
   "claude-1-100k": "#ff9d3b",
   "claude-slack": "#ff9d3b",
   "claude-2": "#ff840b",
+  "claude-2.1": "#ff840b",
   "claude-2-100k": "#ff840b",
 
   "spark-desk-v1.5": "#06b3e8",
diff --git a/app/src/conf.ts b/app/src/conf.ts
index f784e07..fcc9749 100644
--- a/app/src/conf.ts
+++ b/app/src/conf.ts
@@ -8,7 +8,7 @@ import {
 } from "@/utils/env.ts";
 import { getMemory } from "@/utils/memory.ts";
 
-export const version = "3.7.1";
+export const version = "3.7.2";
 export const dev: boolean = getDev();
 export const deploy: boolean = true;
 export let rest_api: string = getRestApi(deploy);
@@ -185,6 +185,13 @@ export const supportModels: Model[] = [
     auth: true,
     tag: ["official", "high-context"],
   },
+  {
+    id: "claude-2.1",
+    name: "Claude 200k",
+    free: false,
+    auth: true,
+    tag: ["official", "high-context"],
+  },
 
   // llama models
   {
@@ -313,6 +320,7 @@ export const defaultModels = [
 
   "claude-1-100k",
   "claude-2",
+  "claude-2.1",
 
   "spark-desk-v3",
   "qwen-plus",
@@ -334,6 +342,7 @@ export const largeContextModels = [
   "claude-1",
   "claude-1-100k",
   "claude-2",
+  "claude-2.1",
   "claude-2-100k",
   "zhipu-chatglm-turbo",
 ];
@@ -346,6 +355,7 @@ export const planModels: PlanModel[] = [
   { id: "gpt-4-all", level: 1 },
   { id: "gpt-4-dalle", level: 1 },
   { id: "claude-2", level: 1 },
+  { id: "claude-2.1", level: 1 },
   { id: "claude-2-100k", level: 1 },
   { id: "midjourney-fast", level: 2 },
 ];
@@ -369,6 +379,7 @@ export const modelAvatars: Record<string, string> = {
   "gpt-4-dalle": "gpt4dalle.png",
   "claude-1-100k": "claude.png",
   "claude-2": "claude100k.png",
+  "claude-2.1": "claude100k.png",
   "stable-diffusion": "stablediffusion.jpeg",
   "llama-2-70b": "llama2.webp",
   "llama-2-13b": "llama2.webp",
diff --git a/auth/rule.go b/auth/rule.go
index 8f5246e..50f58e4 100644
--- a/auth/rule.go
+++ b/auth/rule.go
@@ -18,7 +18,7 @@ func CanEnableModel(db *sql.DB, user *User, model string) bool {
 		return user != nil && user.GetQuota(db) >= 50
 	case globals.SparkDesk, globals.SparkDeskV2, globals.SparkDeskV3:
 		return user != nil && user.GetQuota(db) >= 1
-	case globals.Claude1100k, globals.Claude2100k:
+	case globals.Claude1100k, globals.Claude2100k, globals.Claude2200k:
 		return user != nil && user.GetQuota(db) >= 1
 	case globals.ZhiPuChatGLMTurbo, globals.ZhiPuChatGLMPro, globals.ZhiPuChatGLMStd:
 		return user != nil && user.GetQuota(db) >= 1
diff --git a/globals/variables.go b/globals/variables.go
index 3be5dac..a4a2d86 100644
--- a/globals/variables.go
+++ b/globals/variables.go
@@ -63,6 +63,7 @@ const (
 	Claude1100k           = "claude-1.3"
 	Claude2               = "claude-1-100k"
 	Claude2100k           = "claude-2"
+	Claude2200k           = "claude-2.1"
 	ClaudeSlack           = "claude-slack"
 	SparkDesk             = "spark-desk-v1.5"
 	SparkDeskV2           = "spark-desk-v2"
@@ -120,7 +121,7 @@ var LongContextModelArray = []string{
 	GPT41106Preview, GPT41106VisionPreview, GPT432k, GPT432k0314, GPT432k0613,
 	Claude1, Claude1100k,
 	CodeLLaMa34B, LLaMa270B,
-	Claude2, Claude2100k,
+	Claude2, Claude2100k, Claude2200k,
 }
 
 var FreeModelArray = []string{
@@ -159,7 +160,7 @@ func IsDalleModel(model string) bool {
 }
 
 func IsClaude100KModel(model string) bool {
-	return model == Claude1100k || model == Claude2100k
+	return model == Claude1100k || model == Claude2100k || model == Claude2200k
 }
 
 func IsMidjourneyFastModel(model string) bool {
diff --git a/utils/tokenizer.go b/utils/tokenizer.go
index 910fb0c..2abeb08 100644
--- a/utils/tokenizer.go
+++ b/utils/tokenizer.go
@@ -14,7 +14,7 @@ func GetWeightByModel(model string) int {
 	switch model {
 	case globals.GPT3TurboInstruct,
 		globals.Claude1, globals.Claude1100k,
-		globals.Claude2, globals.Claude2100k:
+		globals.Claude2, globals.Claude2100k, globals.Claude2200k:
 		return 2
 	case globals.GPT3Turbo, globals.GPT3Turbo0613, globals.GPT3Turbo1106,
 		globals.GPT3Turbo16k, globals.GPT3Turbo16k0613,
@@ -93,7 +93,7 @@ func CountInputToken(model string, v []globals.Message) float32 {
 		return float32(CountTokenPrice(v, model)) / 1000 * 0.3
 	case globals.Claude1, globals.Claude2:
 		return 0
-	case globals.Claude1100k, globals.Claude2100k:
+	case globals.Claude1100k, globals.Claude2100k, globals.Claude2200k:
 		return float32(CountTokenPrice(v, model)) / 1000 * 0.8
 	case globals.LLaMa270B, globals.CodeLLaMa34B:
 		return float32(CountTokenPrice(v, model)) / 1000 * 0.25
@@ -141,7 +141,7 @@ func CountOutputToken(model string, t int) float32 {
 		return float32(t*GetWeightByModel(model)) / 1000 * 0.3
 	case globals.Claude1, globals.Claude2:
 		return 0
-	case globals.Claude1100k, globals.Claude2100k:
+	case globals.Claude1100k, globals.Claude2100k, globals.Claude2200k:
 		return float32(t*GetWeightByModel(model)) / 1000 * 2.4
 	case globals.LLaMa270B, globals.CodeLLaMa34B:
 		return float32(t*GetWeightByModel(model)) / 1000 * 0.25