diff --git a/src/generator/config/subexport.cpp b/src/generator/config/subexport.cpp
index 3fb9bd813..5710a6baa 100644
--- a/src/generator/config/subexport.cpp
+++ b/src/generator/config/subexport.cpp
@@ -2317,9 +2317,9 @@ void proxyToSingBox(std::vector<Proxy> &nodes, rapidjson::Document &json, std::v
             {
                 addSingBoxCommonMembers(proxy, x, "hysteria", allocator);
                 if (!x.Up.empty())
-                    proxy.AddMember("up", rapidjson::StringRef(x.Up.c_str()), allocator);
+                    proxy.AddMember("up_mbps", x.UpSpeed, allocator);
                 if (!x.Down.empty())
-                    proxy.AddMember("down", rapidjson::StringRef(x.Down.c_str()), allocator);
+                    proxy.AddMember("down_mbps", x.DownSpeed, allocator);
                 if (!x.OBFS.empty())
                 {
                     proxy.AddMember("obfs", rapidjson::StringRef(x.OBFS.c_str()), allocator);
diff --git a/src/parser/subparser.cpp b/src/parser/subparser.cpp
index db42d89a9..3ac0312a9 100644
--- a/src/parser/subparser.cpp
+++ b/src/parser/subparser.cpp
@@ -165,19 +165,28 @@ void hysteriaConstruct(
     if (!up.empty())
     {
         if (up.length() > 4 && up.find("bps") == up.length() - 3)
+        
             node.Up = up;
         else if (to_int(up))
+        {
+            node.UpSpeed = to_int(up);
             node.Up = up + " Mbps";
+        }
     }
-    node.UpSpeed = to_int(up_speed);
+    if (!up_speed.empty())
+        node.UpSpeed = to_int(up_speed);
     if (!down.empty())
     {
         if (down.length() > 4 && down.find("bps") == down.length() - 3)
             node.Down = down;
         else if (to_int(down))
+        {
+            node.DownSpeed = to_int(down);
             node.Down = down + " Mbps";
+        }
     }
-    node.DownSpeed = to_int(down_speed);
+    if (!down_speed.empty())
+        node.DownSpeed = to_int(down_speed);
     node.AuthStr = auth_str;
     if (!auth.empty())
         node.AuthStr = base64Decode(auth);