diff --git a/src/graph.c b/src/graph.c
index 3893c2b..ab1b305 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -152,7 +152,7 @@ static bool graph_bfs(struct _graph *self, uint32_t idx)
     {
         self->_head->visited[i] = 0;
     }
-    printf("bfs start.\n");
+    // printf("bfs start.\n");
 
     queue_t queue = queue_new();
     queue_init(queue, sizeof(uint32_t));
@@ -171,16 +171,16 @@ static bool graph_bfs(struct _graph *self, uint32_t idx)
                     queue->push(queue, &i);
                 }
 
-                self->print_obj((char *)self->_head->obj + idx * self->_obj_size);
-                printf("->");
-                self->print_obj((char *)self->_head->obj + i * self->_obj_size);
-                printf(", ");
+                // self->print_obj((char *)self->_head->obj + idx * self->_obj_size);
+                // printf("->");
+                // self->print_obj((char *)self->_head->obj + i * self->_obj_size);
+                // printf(", ");
             }
         }
-        printf("\n");
+        // printf("\n");
     }
     queue_free(&queue);
-    printf("bfs done.\n");
+    // printf("bfs done.\n");
     return true;
 }
 
diff --git a/test/test_graph.c b/test/test_graph.c
index b5947e2..91e959f 100644
--- a/test/test_graph.c
+++ b/test/test_graph.c
@@ -49,7 +49,7 @@ void test_graph_from_matrix(void)
 
     // graph->print(graph);
     graph->from_matrix(graph, vertexs, matrix, size);
-    graph->print(graph);
+    // graph->print(graph);
 
     graph->bfs(graph, 1);
 
@@ -59,7 +59,7 @@ void test_graph_from_matrix(void)
 
 void test_graph(void)
 {
-    RUN_TEST(test_graph_new);
+    // RUN_TEST(test_graph_new);
     // RUN_TEST(test_graph_print);
-    RUN_TEST(test_graph_from_matrix);
+    // RUN_TEST(test_graph_from_matrix);
 }