diff --git a/zeno/include/zeno/types/UserData.h b/zeno/include/zeno/types/UserData.h
index 80b7ab29ea..7b8762cedd 100644
--- a/zeno/include/zeno/types/UserData.h
+++ b/zeno/include/zeno/types/UserData.h
@@ -76,6 +76,12 @@ struct UserData {
         m_data[name] = std::move(value);
     }
 
+    void merge(const UserData& name) {
+        for (const auto& pair : name.m_data) {
+            m_data.insert(pair);
+        }
+    }
+
     template <class T>
     [[deprecated("use set2(name, value)")]]
     void setLiterial(std::string const &name, T &&value) {
diff --git a/zeno/src/nodes/PortalNodes.cpp b/zeno/src/nodes/PortalNodes.cpp
index 191c05ba46..8bb135dd4a 100644
--- a/zeno/src/nodes/PortalNodes.cpp
+++ b/zeno/src/nodes/PortalNodes.cpp
@@ -180,9 +180,24 @@ ZENDEFNODE(SetUserData, {
     {"object", "data"},
     {"object"},
     {{"string", "key", ""}},
-    {"lifecycle"},
+    {"deprecated"},
 });
 
+struct SetUserData2 : zeno::INode {
+    virtual void apply() override {
+        auto object = get_input("object");
+        auto key = get_input2<std::string>("key");
+        object->userData().set(key, get_input("data"));
+        set_output("object", std::move(object));
+    }
+};
+
+ZENDEFNODE(SetUserData2, {
+    {"object", {"string", "key", ""}, "data"},
+    {"object"},
+    {},
+    {"lifecycle"},
+});
 
 struct GetUserData : zeno::INode {
     virtual void apply() override {
@@ -199,7 +214,7 @@ ZENDEFNODE(GetUserData, {
     {"object"},
     {"data", {"bool", "hasValue"}},
     {{"string", "key", ""}},
-    {"lifecycle"},
+    {"deprecated"},
 });
 
 struct GetUserData2 : zeno::INode {
@@ -224,15 +239,16 @@ ZENDEFNODE(GetUserData2, {
 struct DelUserData : zeno::INode {
     virtual void apply() override {
         auto object = get_input("object");
-        auto key = get_param<std::string>("key");
+        auto key = get_input2<std::string>("key");
         object->userData().del(key);
+        set_output("object", std::move(object));
     }
 };
 
 ZENDEFNODE(DelUserData, {
+    {{"string", "key", ""}, "object"},
     {"object"},
     {},
-    {{"string", "key", ""}},
     {"lifecycle"},
 });
 
diff --git a/zeno/src/nodes/neo/PrimMerge.cpp b/zeno/src/nodes/neo/PrimMerge.cpp
index b6c256902d..7d75e04a13 100644
--- a/zeno/src/nodes/neo/PrimMerge.cpp
+++ b/zeno/src/nodes/neo/PrimMerge.cpp
@@ -559,6 +559,9 @@ struct PrimMerge : INode {
             }
         }
         int oMatNum = matNameList.size();
+        for(auto &p:primList){
+            outprim->userData().merge(p->userData());
+        }
         outprim->userData().set2("matNum", oMatNum);
         //auto outprim = std::make_shared<PrimitiveObject>(*primList[0]);
         set_output("prim", std::move(outprim));
diff --git a/zeno/src/nodes/prim/WBTestFunction.cpp b/zeno/src/nodes/prim/WBTestFunction.cpp
index 65a7b2f951..d565b9041a 100644
--- a/zeno/src/nodes/prim/WBTestFunction.cpp
+++ b/zeno/src/nodes/prim/WBTestFunction.cpp
@@ -413,28 +413,6 @@ ZENO_DEFNODE(VisPrimAttrValue_Modify)( {
      {"WBTest"},
     });
 
-    ///////////////////  
-/* SetUserDate_M */
-///////////////////  
-struct SetUserData_M : zeno::INode {
-    virtual void apply() override {
-        auto object = get_input("object");
-        //auto key = get_param<std::string>("key");
-        auto key = get_input2<std::string>("key");
-        object->userData().set(key, get_input("data"));
-        set_output("object", std::move(object));
-    }
-};
-
-ZENDEFNODE(SetUserData_M, {
-    {{"string", "key", ""}, "object", "data"},
-    {"object"},
-    {
-        //{"string", "key", ""}
-    },
-    {"WBTest"},
-});
-
 
 // FDGather.cpp
 template <class T>