diff --git a/src/bus_io.c b/src/bus_io.c
index 72f2e96..e46aa08 100644
--- a/src/bus_io.c
+++ b/src/bus_io.c
@@ -69,14 +69,15 @@ rail_node_t *ReadConfigFile()
                     p++;
                 }
 
-                if (*p == '1' && *(p + 1) != '\n')
-                {
-                    total_station = 10;
-                }
-                else if (*(p + 1) == '\n')
+                // 讲道理，应该只有两位数，所以就这样处理了
+                if (*(p + 1) == '\n')
                 {
                     total_station = *p - 48;
                 }
+                else
+                {
+                    total_station = (*p - 48) * 10 + *(p + 1) - 48;
+                }
 
                 break;
             case 'S':
diff --git a/test/dict.dic b/test/dict.dic
index d6d1d36..0eea586 100644
--- a/test/dict.dic
+++ b/test/dict.dic
@@ -1,6 +1,6 @@
 # The Config file of bus
 # Comment
-TOTAL_STATION = 10
+TOTAL_STATION = 12
 DISTANCE =  5
 # STRATEGY = SCAN
 STRATEGY  = FCFS
diff --git a/test/io_test.cpp b/test/io_test.cpp
index 9beb68d..698aeff 100644
--- a/test/io_test.cpp
+++ b/test/io_test.cpp
@@ -46,7 +46,7 @@ TEST(bus_file, all)
     rail_node_t *p = result;
 
     ASSERT_TRUE(p != nullptr);
-    for(int i = 1; i <= 10; i++)
+    for(int i = 1; i <= 12; i++)
     {
         EXPECT_EQ(p->id, i);
         EXPECT_EQ(p->next_node_distance, 5);
@@ -55,7 +55,7 @@ TEST(bus_file, all)
     }
 
     p = result->last_node;
-    for(int i = 10; i >= 1; i--)
+    for(int i = 12; i >= 1; i--)
     {
         EXPECT_EQ(p->id, i);
         EXPECT_EQ(p->next_node_distance, 5);