diff --git a/app/subscription/v2ray.py b/app/subscription/v2ray.py
index 67736484..d36ff0c9 100644
--- a/app/subscription/v2ray.py
+++ b/app/subscription/v2ray.py
@@ -39,7 +39,6 @@ def vmess(
             "net": net,
             "path": path,
             "port": port,
-            "fragment": fs,
             "ps": remark,
             "scy": "auto",
             "tls": tls,
@@ -47,6 +46,9 @@ def vmess(
             "v": "2",
         }
 
+        if fs:
+            payload["fragment"] = fs
+
         if tls == "tls":
             payload["sni"] = sni
             payload["fp"] = fp
@@ -111,7 +113,8 @@ def vless(cls,
             payload["sni"] = sni
             payload["fp"] = fp
             payload["alpn"] = alpn
-            payload["fragment"] = fs
+            if fs:
+                payload["fragment"] = fs
             if ais:
                 payload["allowInsecure"] = 1
         elif tls == "reality":
@@ -172,7 +175,8 @@ def trojan(cls,
             payload["sni"] = sni
             payload["fp"] = fp
             payload["alpn"] = alpn
-            payload["fragment"] = fs
+            if fs:
+                payload["fragment"] = fs
             if ais:
                 payload["allowInsecure"] = 1
         elif tls == "reality":
@@ -266,7 +270,7 @@ def ws_config(path=None, host=None):
             wsSettings["headers"]["Host"] = host
 
         return wsSettings
-    
+
     @staticmethod
     def httpupgrade_config(path=None, host=None):
 
@@ -316,7 +320,6 @@ def tcp_http_config(path=None, host=None):
             if host:
                 tcpSettings["header"]["request"]["headers"]["Host"] = [host]
 
-
         return tcpSettings
 
     @staticmethod