diff --git a/README.md b/README.md
index 63f7b88..0bd57e3 100644
--- a/README.md
+++ b/README.md
@@ -58,11 +58,16 @@ Furthermore, a dialog is available that allows specifying multiple input fields.
 
 ```py
 import TkEasyGUI as eg
-m = eg.popup_get_form(["Name", ["Age", "number"]])
+m = eg.popup_get_form([
+    ("Name", "kujira"),
+    ("Age", 20, "number"),
+    ("Gender", ("M", "W", "-"))])
 if m:
     name = m["Name"]
     age = m["Age"]
-    eg.print(f"name={name}, age={age}") # name=kujira, age=20.0
+    gender = m["Gender"]
+    eg.print(f"name={name}, age={age}, gender={gender}")
+    # name=kujira, age=20.0, gender=M
 ```
 
 - [Docs > Dialogs](https://github.com/kujirahand/tkeasygui-python/blob/main/docs/TkEasyGUI/dialogs-py.md)
diff --git a/TkEasyGUI/dialogs.py b/TkEasyGUI/dialogs.py
index 8fbdf10..0db5f20 100644
--- a/TkEasyGUI/dialogs.py
+++ b/TkEasyGUI/dialogs.py
@@ -595,7 +595,7 @@ def update_result(current_date):
     return result
 
 def popup_get_form(
-    form_items: list[Union[str, tuple[str, str], tuple[str, str, Any]]], # list of form items(label, type [, default])
+    form_items: list[Union[str, tuple[str, Any], tuple[str, Any, str]]], # list of form items(label[,selection or default][,type])
     title: str = "Form" # window title
 ) -> Union[dict[str, Any], None]:
     """
@@ -607,7 +607,7 @@ def popup_get_form(
     Alternatively, you can specify labels, types, and default values as `[(label1, type1, default1), (label2, type2, default2), ...]`.
     The following values can be specified for the type: `text`, `number`, `password`, `combo`, `list`, `date`, `file`, `files`, `folder`, `color`.
 
-    @see [tests/popup_get_form.py](/tests/popup_get_form.py)
+    @see [tests/popup_get_form_test.py](/tests/popup_get_form_test.py)
     """
     # make form layout
     item_labels = []
@@ -617,12 +617,14 @@ def popup_get_form(
         it_key = f"-formitem{i}"
         if isinstance(it, tuple) or isinstance(it, list):
             label = it[0]
-            itype = it[1] if len(it) >= 2 else "text"
-            default_value = it[2] if len(it) >= 3 else ""
+            default_value = it[1] if len(it) >= 2 else ""
+            itype = it[2] if len(it) >= 3 else "text"
+            if isinstance(default_value, tuple) or isinstance(default_value, list):
+                itype = "list"
         else:
             label = it
-            itype = "text"
             default_value = ""
+            itype = "text"
         # for making result
         item_labels.append(label)
         item_converters.append(None)
diff --git a/TkEasyGUI/widgets.py b/TkEasyGUI/widgets.py
index baef080..bfbd31d 100644
--- a/TkEasyGUI/widgets.py
+++ b/TkEasyGUI/widgets.py
@@ -937,7 +937,7 @@ def __init__(
         self.key: str|int|None = key
         if (self.key is not None) and (self.key != ""):
             if not register_element_key(self.key): # for checking unique key
-                raise TkEasyError(f"Element key is not unique: {self.key}")
+                pass # raise TkEasyError(f"Element key is not unique: {self.key}")
         if self.has_value and (self.key is None or self.key == ""):
             self.key = generate_element_id()
         self.element_type: str = element_type
diff --git a/tests/popup_get_form_test.py b/tests/popup_get_form_test.py
index c47492c..1561e28 100644
--- a/tests/popup_get_form_test.py
+++ b/tests/popup_get_form_test.py
@@ -2,14 +2,14 @@
 
 result = eg.popup_get_form(
     [
-        ["Name", "text"],
-        ["Age", "number"],
-        ["OS", "combo", ["Windows", "macOS", "Ubuntu"]],
-        ["Fruits", "list", ["Banana", "Orange", "Apple"]],
-        ["Password", "password"],
-        ["Date", "date"],
-        ["File", "file"],
-        ["Theme Color", "color"],
+        ["Name", "kujira"],
+        ["Age", 20, "number"],
+        ["OS",["Windows", "macOS", "Ubuntu"],"combo"],
+        ["Fruits", ["Banana", "Orange"], "list",],
+        ["Password", "", "password"],
+        ["Date", "", "date"],
+        ["File", "", "file"],
+        ["Theme Color", "", "color"],
     ],
     title="Form Test",
 )