diff --git a/README.md b/README.md
index d65ec41..b7dcdaf 100644
--- a/README.md
+++ b/README.md
@@ -42,17 +42,26 @@ awsl-one-api/
 
 ## 🏗️ 系统架构
 
-```text
-┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐
-│  Client Apps    │───▶│  AWSL One API   │───▶│  AI Providers   │
-│                 │    │  (CF Workers)   │    │(Azure OpenAI &  │
-└─────────────────┘    └─────────────────┘    │    OpenAI)      │
-                              │                └─────────────────┘
-                              ▼
-                       ┌─────────────────┐
-                       │  Cloudflare D1  │
-                       │    Database     │
-                       └─────────────────┘
+```mermaid
+flowchart LR
+    subgraph Clients["客户端"]
+        A[Client Apps]
+    end
+
+    subgraph CF["Cloudflare Workers"]
+        B[AWSL One API]
+        D[(Cloudflare D1<br/>Database)]
+    end
+
+    subgraph Providers["AI 服务提供商"]
+        C1[Azure OpenAI]
+        C2[OpenAI]
+    end
+
+    A -->|API Request| B
+    B -->|Proxy| C1
+    B -->|Proxy| C2
+    B <-->|Read/Write| D
 ```
 
 ## 🚀 快速开始