update

next.config.js

@@ -6,6 +6,22 @@ const nextConfig = {
     // 在构建过程中忽略ESLint错误
     ignoreDuringBuilds: true,
   },
+  webpack: (config, { isServer }) => {
+    // 处理PDF.js在SSR中的问题
+    if (isServer) {
+      config.externals.push({
+        'pdfjs-dist': 'commonjs pdfjs-dist',
+      });
+    }
+    
+    // 处理canvas模块
+    config.resolve.fallback = {
+      ...config.resolve.fallback,
+      canvas: false,
+    };
+    
+    return config;
+  },
   /* config options here */
 };