diff --git a/ElaWidgetTools b/ElaWidgetTools
index aa1856b..190c02e 160000
--- a/ElaWidgetTools
+++ b/ElaWidgetTools
@@ -1 +1 @@
-Subproject commit aa1856b8f8589ba0a82e50c0ac01e289eb3ff2c4
+Subproject commit 190c02e5bccb3614750a986945934a77ba7d90e7
diff --git a/scripts/dobuild.py b/scripts/dobuild.py
index a8836e6..8e6aa26 100644
--- a/scripts/dobuild.py
+++ b/scripts/dobuild.py
@@ -73,7 +73,7 @@ def __parsefile(fn, cb, pr=False):
     lambda cml: cml.replace("add_subdirectory(ElaWidgetToolsExample)", ""),
 )
 __parsefile(
-    "../ElaWidgetTools/ElaWidgetTools/ElaProperty.h",
+    "../ElaWidgetTools/ElaWidgetTools/ElaWidgetToolsExport.h",
     lambda cml: cml.replace(
         "Q_DECL_EXPORT",
         "",
@@ -90,7 +90,6 @@ def __parsefile(fn, cb, pr=False):
         add_compile_definitions(
             _SILENCE_ALL_MS_EXT_DEPRECATION_WARNINGS
             _HAS_CXX17=1
-            _HAS_CXX20=1
             _CRT_SECURE_NO_WARNINGS
         )
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /Zc:__cplusplus")
@@ -98,7 +97,7 @@ def __parsefile(fn, cb, pr=False):
 
     """
         __parsefile(
-            "../ElaWidgetTools/CMakeLists.txt",
+            "../ElaWidgetTools/ElaWidgetTools/CMakeLists.txt",
             lambda c: c.replace(
                 "add_definitions(-DELAWIDGETTOOLS_LIBRARY)",
                 "add_definitions(-DELAWIDGETTOOLS_LIBRARY)\n" + fix,
diff --git a/scripts/pyqt/gen_Def.sip.py b/scripts/pyqt/gen_Def.sip.py
index 62a38d4..35582a3 100644
--- a/scripts/pyqt/gen_Def.sip.py
+++ b/scripts/pyqt/gen_Def.sip.py
@@ -2,7 +2,7 @@
 
 os.chdir(os.path.dirname(os.path.abspath(__file__)))
 
-with open("../../ElaWidgetTools/ElaWidgetTools/ElaDef.h", "r", encoding="utf8") as ff:
+with open("../../ElaWidgetTools/ElaWidgetTools/ElaWidgetToolsDef.h", "r", encoding="utf8") as ff:
     content = ff.read()
 
 import re
@@ -48,7 +48,7 @@ def parse_def_h_to_sip(header_content):
         sip_output.append(
             """
 %TypeHeaderCode
-#include "ElaDef.h"
+#include "ElaWidgetToolsDef.h"
 %End
 """
         )
diff --git a/scripts/pyqt/gen_widgets.py b/scripts/pyqt/gen_widgets.py
index c47b603..f490dab 100644
--- a/scripts/pyqt/gen_widgets.py
+++ b/scripts/pyqt/gen_widgets.py
@@ -306,18 +306,38 @@ def generate_sip_for_class__1(header_content, filename=""):
     base_class_name = class_match.group(3)
     sip_lines.append(f"class {class_name} : public {base_class_name}\n{{")
     sip_lines.append("%TypeHeaderCode")
-    sip_lines.append(f'#include "ElaDef.h"')
+    sip_lines.append(f'#include "ElaWidgetToolsDef.h"')
     sip_lines.append(f'#include "{os.path.basename(filename)}"')
     sip_lines.append("%End\n")
 
     # --- Properties ---
-    # Q_PROPERTY_CREATE_Q_H(type, Name)
-    # Assumes getter: Name() or isName() for bool, Setter: setName(type)
-    for pt in ("Q_PROPERTY_CREATE", "Q_PROPERTY_CREATE_Q_H", "Q_PROPERTY_REF_CREATE_Q_H"):
+    # Q_PROPERTY_* macros declare a notify signal (pXChanged) + getter/setter.
+    # Q_PRIVATE_* macros declare only getter/setter (no notify signal).
+    # Only scan the class body: property macros that belong to other types in the
+    # same header (e.g. ElaSuggestBox's nested SuggestData struct) must not be
+    # attributed to this class, or sip will generate accessors that don't exist.
+    _class_body_for_props = re.search(
+        r"class\s+ELA_EXPORT\s+\w+\s*:\s*public\s+\w+\s*\{(.*?)(\};)",
+        header_content,
+        re.DOTALL,
+    )
+    prop_scan = _class_body_for_props.group(1) if _class_body_for_props else header_content
+
+    PROP_MACROS = [
+        ("Q_PROPERTY_CREATE", True),
+        ("Q_PROPERTY_CREATE_Q_H", True),
+        ("Q_PROPERTY_REF_CREATE_Q_H", True),
+        ("Q_PRIVATE_CREATE", False),
+        ("Q_PRIVATE_CREATE_Q_H", False),
+        ("Q_PRIVATE_REF_CREATE", False),
+        ("Q_PRIVATE_REF_CREATE_Q_H", False),
+    ]
+    has_public_section_for_props = False  # To add "public:" if props are first
+
+    for pt, has_signal in PROP_MACROS:
         prop_pattern = re.compile(rf"{pt}\((.*?),\s*(\w+)\)")
-        has_public_section_for_props = False  # To add "public:" if props are first
 
-        for match in prop_pattern.finditer(header_content):
+        for match in prop_pattern.finditer(prop_scan):
             if not has_public_section_for_props:
                 # Properties are usually public in SIP even if members are private
                 # sip_lines.append("public:") # Not strictly needed for %Property
@@ -336,7 +356,10 @@ def generate_sip_for_class__1(header_content, filename=""):
             # For now, assume they follow the macro's convention
             # sip_lines.append(f"  // Property: {prop_name}")
             # sip_lines.append(f"  %Property({sip_prop_type} {prop_name.lower()} READ {getter_name} WRITE {setter_name})\n")
-            sip_lines.append(f"public: Q_SIGNAL void p{prop_name}Changed();")
+            if has_signal:
+                sip_lines.append(f"public: Q_SIGNAL void p{prop_name}Changed();")
+            else:
+                sip_lines.append("public:")
             sip_lines.append(
                 f"  void {setter_name}({(prop_type_raw)} {prop_name});"
             )  # Use input version of type
@@ -573,7 +596,9 @@ def cast_h_to_sip(filename):
 allfiles = []
 
 for f in os.listdir(eladir):
-    if f.startswith("ElaDef"):
+    if f.startswith("ElaWidgetToolsDef"):
+        continue
+    if f.startswith("ElaWidgetToolsExport"):
         continue
     if f.startswith("ElaProperty"):
         continue
diff --git a/scripts/pyside6/gen_xml.py b/scripts/pyside6/gen_xml.py
index f719364..97a50e6 100644
--- a/scripts/pyside6/gen_xml.py
+++ b/scripts/pyside6/gen_xml.py
@@ -17,13 +17,13 @@
 
 eladir = "../../ElaWidgetTools/ElaWidgetTools"
 
-with open(eladir + "/ElaProperty.h", "r", encoding="utf8") as ff:
+with open(eladir + "/ElaPropertyMacro.h", "r", encoding="utf8") as ff:
     pro = ff.read()
 # 如果不这样改，信号会被识别成方法。
 if not ("Q_SIGNALS:Q_SIGNAL" in pro):
     pro = re.sub(r"Q_SIGNAL(.*?)\\", r"Q_SIGNALS:Q_SIGNAL \1\\\npublic:\\", pro)
 
-    with open(eladir + "/ElaProperty.h", "w", encoding="utf8") as ff:
+    with open(eladir + "/ElaPropertyMacro.h", "w", encoding="utf8") as ff:
         ff.write(pro)
 
 
@@ -143,7 +143,9 @@ def gen_widgets(eladir: str):
     hs = []
     xmls = []
     for f in os.listdir(eladir):
-        if f.startswith("ElaDef"):
+        if f.startswith("ElaWidgetToolsDef"):
+            continue
+        if f.startswith("ElaWidgetToolsExport"):
             continue
         if f.startswith("ElaProperty"):
             continue
@@ -158,7 +160,7 @@ def gen_widgets(eladir: str):
 
 def gen_defs():
 
-    with open(eladir + "/ElaDef.h", "r", encoding="utf8") as ff:
+    with open(eladir + "/ElaWidgetToolsDef.h", "r", encoding="utf8") as ff:
         header_content = ff.read()
     sip_output = []
 
@@ -284,7 +286,7 @@ def maybeparse(xx: str):
 #endif
 """
 
-H_internal = """#include <ElaDef.h>"""
+H_internal = """#include <ElaWidgetToolsDef.h>"""
 with open("wrapper.hpp", "w", encoding="utf8") as ff:
     ff.write(wrapperbase.format(internal=H_internal + "\n" + h))