diff --git a/src/shadowbox/server/manager_service.ts b/src/shadowbox/server/manager_service.ts
index ab94225b..b58523d8 100644
--- a/src/shadowbox/server/manager_service.ts
+++ b/src/shadowbox/server/manager_service.ts
@@ -292,7 +292,7 @@ function validateWebSocketConfig(websocket: unknown): WebSocketConfig | undefine
     );
   }
 
-  const config = websocket as any;
+  const config = websocket as Record<string, unknown>;
   
   // Validate enabled field
   if ('enabled' in config && typeof config.enabled !== 'boolean') {
@@ -334,7 +334,7 @@ function validateWebSocketConfig(websocket: unknown): WebSocketConfig | undefine
     );
   }
 
-  return config as WebSocketConfig;
+  return config as unknown as WebSocketConfig;
 }
 
 // The ShadowsocksManagerService manages the access keys that can use the server
@@ -669,13 +669,19 @@ export class ShadowsocksManagerService {
       }
       
       // Generate the dynamic config YAML
-      const yamlConfig = (this.shadowsocksServer as any).generateDynamicAccessKeyYaml?.(accessKeyId);
+      // Type assertion for the extended server interface
+      const serverWithWebSocket = this.shadowsocksServer as ShadowsocksServer & {
+        generateDynamicAccessKeyYaml?: (accessKeyId: string) => string | null;
+      };
+      const yamlConfig = serverWithWebSocket.generateDynamicAccessKeyYaml?.(accessKeyId);
       
       if (!yamlConfig) {
         return next(new restifyErrors.NotImplementedError('WebSocket configuration not available'));
       }
       
-      (res as any).contentType('text/yaml');
+      // Set content type for YAML response
+      const response = res as restify.Response & { contentType: (type: string) => void };
+      response.contentType('text/yaml');
       res.send(HttpSuccess.OK, yamlConfig);
       next();
     } catch (error) {
diff --git a/src/shadowbox/server/outline_shadowsocks_server.ts b/src/shadowbox/server/outline_shadowsocks_server.ts
index 6681d78c..a73d4cad 100644
--- a/src/shadowbox/server/outline_shadowsocks_server.ts
+++ b/src/shadowbox/server/outline_shadowsocks_server.ts
@@ -32,6 +32,43 @@ export interface ShadowsocksAccessKeyWithWebSocket extends ShadowsocksAccessKey
   };
 }
 
+// Configuration types for outline-ss-server
+interface LegacyConfig {
+  keys: ShadowsocksAccessKey[];
+}
+
+interface WebSocketListener {
+  type: 'websocket-stream' | 'websocket-packet';
+  web_server: string;
+  path: string;
+}
+
+interface TcpUdpListener {
+  type: 'tcp' | 'udp';
+  address: string;
+}
+
+interface ServiceConfig {
+  listeners: Array<WebSocketListener | TcpUdpListener>;
+  keys: Array<{
+    id: string;
+    cipher: string;
+    secret: string;
+  }>;
+}
+
+interface WebSocketConfig {
+  web?: {
+    servers: Array<{
+      id: string;
+      listen: string[];
+    }>;
+  };
+  services: ServiceConfig[];
+}
+
+type ServerConfig = LegacyConfig | WebSocketConfig;
+
 // Runs outline-ss-server.
 export class OutlineShadowsocksServer implements ShadowsocksServer {
   private ssProcess: child_process.ChildProcess;
@@ -114,7 +151,7 @@ export class OutlineShadowsocksServer implements ShadowsocksServer {
       const extendedKeys = keys as ShadowsocksAccessKeyWithWebSocket[];
       const hasWebSocketKeys = extendedKeys.some(key => key.websocket?.enabled);
       
-      let config: any;
+      let config: ServerConfig;
       
       if (hasWebSocketKeys && this.webSocketConfig?.enabled) {
         // Use new format with WebSocket support
@@ -149,7 +186,7 @@ export class OutlineShadowsocksServer implements ShadowsocksServer {
     });
   }
 
-  private generateWebSocketConfig(keys: ShadowsocksAccessKeyWithWebSocket[]): any {
+  private generateWebSocketConfig(keys: ShadowsocksAccessKeyWithWebSocket[]): WebSocketConfig {
     // Group keys by their listener configuration
     const serviceGroups = new Map<string, ShadowsocksAccessKeyWithWebSocket[]>();
     
@@ -180,7 +217,7 @@ export class OutlineShadowsocksServer implements ShadowsocksServer {
     }
 
     // Build the configuration
-    const config: any = {
+    const config: WebSocketConfig = {
       services: []
     };
 
@@ -196,7 +233,7 @@ export class OutlineShadowsocksServer implements ShadowsocksServer {
 
     // Create services
     for (const [groupKey, groupKeys] of serviceGroups) {
-      const service: any = {
+      const service: ServiceConfig = {
         listeners: [],
         keys: groupKeys.map(k => ({
           id: k.id,