diff --git a/pay-java-wx/src/main/java/com/egzosn/pay/wx/v3/utils/WxConst.java b/pay-java-wx/src/main/java/com/egzosn/pay/wx/v3/utils/WxConst.java
index 06d43f406468a36e39e3072b8a08a2679bf20ebf..cb055e1980fa7feada2b40f06838047f6b6e8345 100644
--- a/pay-java-wx/src/main/java/com/egzosn/pay/wx/v3/utils/WxConst.java
+++ b/pay-java-wx/src/main/java/com/egzosn/pay/wx/v3/utils/WxConst.java
@@ -30,7 +30,7 @@ public final class WxConst {
     /**
      * 沙箱
      */
-    public static final String SANDBOXNEW = "sandboxnew/";
+    public static final String SANDBOXNEW = "/sandboxnew/";
     public static final String COMBINE = "combine_";
     public static final String APPID = "appid";
     public static final String SUB_APPID = "sub_appid";