From 4d956ceb41c65c535015c50999a8e49990e36495 Mon Sep 17 00:00:00 2001
From: jackfiled <xcrenchangjun@outlook.com>
Date: Fri, 3 Jun 2022 14:49:18 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E5=85=85=E4=BA=86=E9=85=8D=E7=BD=AE?=
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---
 src/bus_io.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/bus_io.c b/src/bus_io.c
index 2c98076..0375dc8 100644
--- a/src/bus_io.c
+++ b/src/bus_io.c
@@ -137,14 +137,22 @@ rail_node_t *ReadConfigFile()
 
     }
 
-    if (distance != 0 && total_station != 0)
+    // 处理参数去缺省值的情况
+    if (distance == 0)
     {
-        return CreateRails(distance, total_station);
+        distance = 2;
     }
-    else
+    if (total_station == 0)
     {
-        return NULL;
+        total_station = 5;
     }
+    if(chosen_strategy == -1)
+    {
+        chosen_strategy = BUS_FCFS;
+    }
+
+    rail_node_t *head = CreateRails(distance, total_station);
+    return head;
 }
 
 void PrintState()