diff --git a/config.json b/config.json
index 5db879c..3ef7b12 100644
--- a/config.json
+++ b/config.json
@@ -1,6 +1,6 @@
 {
   "routes": {
-    "/api/system/user/info": "mock/service_failed.txt"
+    "/api/system/user/info": "mock/user_info.txt"
   },
   "config": {
     "mockEnabled": true,
diff --git a/index.api.ts b/index.api.ts
index 28d3357..e5c16ce 100644
--- a/index.api.ts
+++ b/index.api.ts
@@ -2,6 +2,7 @@ import * as http from "http";
 import * as https from "https";
 import * as fs from "fs";
 import * as path from "path";
+import * as zlib from "zlib";
 
 // 配置文件路径
 const CONFIG_FILE = path.join(__dirname, "config.json");
@@ -160,6 +161,27 @@ function getMockFilePath(requestPath: string): string {
   return MOCK_ROUTES[requestPath];
 }
 
+function decodeBodyByEncoding(
+  bodyBuffer: Buffer,
+  contentEncoding?: string,
+): Buffer {
+  const encoding = (contentEncoding || "").toLowerCase().trim();
+  try {
+    if (encoding.includes("gzip")) {
+      return zlib.gunzipSync(bodyBuffer);
+    }
+    if (encoding.includes("br")) {
+      return zlib.brotliDecompressSync(bodyBuffer);
+    }
+    if (encoding.includes("deflate")) {
+      return zlib.inflateSync(bodyBuffer);
+    }
+  } catch (error) {
+    console.warn("[MOCK] 解压上游响应失败，按原始内容写入文件", error);
+  }
+  return bodyBuffer;
+}
+
 // 代理服务器
 const proxyServer = http.createServer((clientReq, clientRes) => {
   // 解析客户端请求的 URL
@@ -265,16 +287,75 @@ const proxyServer = http.createServer((clientReq, clientRes) => {
 
       // 检查文件是否存在
       if (!fs.existsSync(mockFilePath)) {
-        console.error(`[MOCK] Mock文件不存在: ${mockFilePath}`);
-        clientRes.writeHead(404, { "Content-Type": "application/json" });
-        clientRes.end(
-          JSON.stringify({
-            error: "Mock file not found",
-            route: requestPath,
-            file: mockFile,
-            timestamp: new Date().toISOString(),
-          }),
-        );
+        console.warn(`[MOCK] Mock文件不存在，回源并自动生成: ${mockFilePath}`);
+
+        const targetPort = CONFIG.targetPort ?? 443;
+        const options: http.RequestOptions = {
+          hostname: CONFIG.targetHost,
+          port: targetPort,
+          method: clientReq.method,
+          path: parsedUrl.pathname + parsedUrl.search,
+          headers: {
+            ...clientReq.headers,
+            host: CONFIG.targetHost,
+          },
+        };
+
+        const proxyReq = https.request(options, (proxyRes) => {
+          const chunks: Buffer[] = [];
+          proxyRes.on("data", (chunk: Buffer) => {
+            chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));
+          });
+
+          proxyRes.on("end", () => {
+            const bodyBuffer = Buffer.concat(chunks);
+
+            try {
+              const decodedBuffer = decodeBodyByEncoding(
+                bodyBuffer,
+                Array.isArray(proxyRes.headers["content-encoding"])
+                  ? proxyRes.headers["content-encoding"][0]
+                  : proxyRes.headers["content-encoding"],
+              );
+              const contentType = String(proxyRes.headers["content-type"] || "");
+              const toWrite =
+                contentType.includes("application/json") ||
+                contentType.includes("text/") ||
+                contentType.includes("application/xml") ||
+                contentType.includes("application/javascript")
+                  ? decodedBuffer.toString("utf-8")
+                  : decodedBuffer;
+              fs.mkdirSync(path.dirname(mockFilePath), { recursive: true });
+              fs.writeFileSync(mockFilePath, toWrite);
+              console.log(`[MOCK] 已自动写入mock文件: ${mockFilePath}`);
+            } catch (writeErr) {
+              console.error(`[MOCK] 自动写入mock文件失败: ${mockFilePath}`, writeErr);
+            }
+
+            clientRes.writeHead(proxyRes.statusCode || 200, {
+              ...proxyRes.headers,
+              "X-Mock-Autogenerated": "true",
+              "X-Mock-Source": mockFile,
+            });
+            clientRes.end(bodyBuffer);
+          });
+        });
+
+        proxyReq.on("error", (err) => {
+          console.error("Proxy request error:", err);
+          clientRes.writeHead(500, { "Content-Type": "application/json" });
+          clientRes.end(
+            JSON.stringify({
+              error: "Proxy error",
+              route: requestPath,
+              file: mockFile,
+              message: err.message,
+              timestamp: new Date().toISOString(),
+            }),
+          );
+        });
+
+        clientReq.pipe(proxyReq);
         return;
       }
 
diff --git a/mock/user_info.txt b/mock/user_info.txt
new file mode 100644
index 0000000..8ee1463
--- /dev/null
+++ b/mock/user_info.txt
@@ -0,0 +1 @@
+{"code":200,"msg":"","data":{"permissions":["quant:account:create","quant:strategy:create","quant:alarm:create","quant:agentServer:create","quant:form:create","quant:robotPosition:create","quant:robot:create","quant:robotOrder:create","quant:robotOrder:delete","quant:account:delete","quant:strategy:delete","quant:robot:delete","quant:agentServer:delete","quant:robotPosition:delete","quant:alarm:delete","quant:form:delete","quant:agentServer:update","quant:robotOrder:update","quant:robotPosition:update","quant:robot:update","quant:alarm:update","quant:account:update","system:file:upload","quant:strategy:update","quant:form:update","quant:robot:select","quant:agentServer:select","quant:account:select","system:file:delete","quant:strategy:select","quant:robotOrder:select","quant:robotPosition:select","quant:alarm:select","quant:form:select","quant:strategy:transfer","quant:robot:deploy","quant:form:design","system:file:select","quant:robot:run","system:file:category","quant:robot:notify"],"roles":["quant_vip"],"user":{"userId":1933359028013174785,"parentId":0,"inviteCode":"QfWk5SDx","username":"h01LxpmZfGzWu8dv5xdh","avatar":"","nickname":"Sandy","phone":"","birthday":"2025-07-07","email":"975303544@qq.com","sex":2,"deptId":null,"deptName":null,"postId":null,"postName":null,"creditScore":100,"score":0,"wallet":0.00,"registerDate":"2025-06-13 11:01:27"}}}
\ No newline at end of file