diff --git a/tools/predict.py b/tools/predict.py
index db75059..4e3078d 100644
--- a/tools/predict.py
+++ b/tools/predict.py
@@ -119,6 +119,10 @@ def main(cfg):
         if cfg.model_name == 'cnn':
             if cfg.use_pcnn:
                 x['pcnn_mask'] = torch.tensor([data[0]['entities_pos']])
+        if cfg.model_name == 'gcn':
+            # 没找到合适的做 parsing tree 的工具，暂时随机初始化
+            adj = torch.empty(1,data[0]['seq_len'],data[0]['seq_len']).random_(2)
+            x['adj'] = adj
 
     for key in x.keys():
         x[key] = x[key].to(device)