diff --git a/Example/STBaseProject.xcodeproj/project.pbxproj b/Example/STBaseProject.xcodeproj/project.pbxproj
index e26027c..0d15cef 100644
--- a/Example/STBaseProject.xcodeproj/project.pbxproj
+++ b/Example/STBaseProject.xcodeproj/project.pbxproj
@@ -14,6 +14,8 @@
 		607FACDD1AFB9204008FA782 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 607FACDC1AFB9204008FA782 /* Images.xcassets */; };
 		607FACE01AFB9204008FA782 /* LaunchScreen.xib in Resources */ = {isa = PBXBuildFile; fileRef = 607FACDE1AFB9204008FA782 /* LaunchScreen.xib */; };
 		607FACEC1AFB9204008FA782 /* Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 607FACEB1AFB9204008FA782 /* Tests.swift */; };
+		E454C6C125C293E800B98363 /* STTestViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E454C6BF25C293E800B98363 /* STTestViewController.swift */; };
+		E454C6C225C293E800B98363 /* STTestViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = E454C6C025C293E800B98363 /* STTestViewController.xib */; };
 		E46045BE23CD9A7F00D4AA81 /* STTestView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E46045BD23CD9A7F00D4AA81 /* STTestView.swift */; };
 		E4FEB62825A6FD680055D834 /* STNextViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4FEB62725A6FD680055D834 /* STNextViewController.swift */; };
 /* End PBXBuildFile section */
@@ -47,6 +49,8 @@
 		BCBDD6C1F1A3F9746985EE4C /* LICENSE */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = LICENSE; path = ../LICENSE; sourceTree = "<group>"; };
 		D130156922DC92BC00D5216C /* STBaseProject-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "STBaseProject-Bridging-Header.h"; sourceTree = "<group>"; };
 		D39D8AFC82CB37AB8D99B8AB /* Pods-STBaseProject_Example.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-STBaseProject_Example.debug.xcconfig"; path = "Target Support Files/Pods-STBaseProject_Example/Pods-STBaseProject_Example.debug.xcconfig"; sourceTree = "<group>"; };
+		E454C6BF25C293E800B98363 /* STTestViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = STTestViewController.swift; sourceTree = "<group>"; };
+		E454C6C025C293E800B98363 /* STTestViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = STTestViewController.xib; sourceTree = "<group>"; };
 		E46045BD23CD9A7F00D4AA81 /* STTestView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = STTestView.swift; sourceTree = "<group>"; };
 		E4FEB62725A6FD680055D834 /* STNextViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = STNextViewController.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -106,6 +110,8 @@
 				607FACD51AFB9204008FA782 /* AppDelegate.swift */,
 				607FACD71AFB9204008FA782 /* ViewController.swift */,
 				E4FEB62725A6FD680055D834 /* STNextViewController.swift */,
+				E454C6BF25C293E800B98363 /* STTestViewController.swift */,
+				E454C6C025C293E800B98363 /* STTestViewController.xib */,
 				E46045BD23CD9A7F00D4AA81 /* STTestView.swift */,
 				607FACD31AFB9204008FA782 /* Supporting Files */,
 			);
@@ -252,6 +258,7 @@
 				607FACDB1AFB9204008FA782 /* Main.storyboard in Resources */,
 				607FACE01AFB9204008FA782 /* LaunchScreen.xib in Resources */,
 				607FACDD1AFB9204008FA782 /* Images.xcassets in Resources */,
+				E454C6C225C293E800B98363 /* STTestViewController.xib in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -320,6 +327,7 @@
 				607FACD61AFB9204008FA782 /* AppDelegate.swift in Sources */,
 				E4FEB62825A6FD680055D834 /* STNextViewController.swift in Sources */,
 				E46045BE23CD9A7F00D4AA81 /* STTestView.swift in Sources */,
+				E454C6C125C293E800B98363 /* STTestViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/Example/STBaseProject/STTestViewController.swift b/Example/STBaseProject/STTestViewController.swift
new file mode 100644
index 0000000..0d06f34
--- /dev/null
+++ b/Example/STBaseProject/STTestViewController.swift
@@ -0,0 +1,36 @@
+//
+//  STTestViewController.swift
+//  STBaseProject_Example
+//
+//  Created by song on 2021/1/28.
+//  Copyright © 2021 STBaseProject. All rights reserved.
+//
+
+import UIKit
+import STBaseProject
+
+class STTestViewController: STBaseViewController {
+
+    @IBOutlet weak var heightConstraint: NSLayoutConstraint!
+    @IBOutlet weak var tpConstraint: NSLayoutConstraint!
+    @IBOutlet weak var nameLabel: UILabel!
+    
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        print("nameLabel top constraint \(self.tpConstraint.constant) -- height constraint \(self.heightConstraint.constant)")
+        // Do any additional setup after loading the view.
+    }
+
+
+    /*
+    // MARK: - Navigation
+
+    // In a storyboard-based application, you will often want to do a little preparation before navigation
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        // Get the new view controller using segue.destination.
+        // Pass the selected object to the new view controller.
+    }
+    */
+
+}
diff --git a/Example/STBaseProject/STTestViewController.xib b/Example/STBaseProject/STTestViewController.xib
new file mode 100644
index 0000000..81aec2b
--- /dev/null
+++ b/Example/STBaseProject/STTestViewController.xib
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="17701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina4_0" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17703"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="STTestViewController" customModule="STBaseProject_Example" customModuleProvider="target">
+            <connections>
+                <outlet property="heightConstraint" destination="TIg-bn-Mrh" id="fvX-nl-uZ8"/>
+                <outlet property="nameLabel" destination="LJk-Xf-Jyn" id="5hl-zZ-rIW"/>
+                <outlet property="tpConstraint" destination="i7g-Eb-XAw" id="Zgz-Wv-eUo"/>
+                <outlet property="view" destination="i5M-Pr-FkT" id="sfx-zR-JGt"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view clearsContextBeforeDrawing="NO" contentMode="scaleToFill" id="i5M-Pr-FkT">
+            <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="中华人民共和国" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="LJk-Xf-Jyn">
+                    <rect key="frame" x="0.0" y="100" width="320" height="21"/>
+                    <color key="backgroundColor" systemColor="linkColor"/>
+                    <constraints>
+                        <constraint firstAttribute="height" constant="21" id="TIg-bn-Mrh">
+                            <userDefinedRuntimeAttributes>
+                                <userDefinedRuntimeAttribute type="boolean" keyPath="isAdaptateScreen" value="YES"/>
+                            </userDefinedRuntimeAttributes>
+                        </constraint>
+                    </constraints>
+                    <fontDescription key="fontDescription" type="system" pointSize="21"/>
+                    <nil key="textColor"/>
+                    <nil key="highlightedColor"/>
+                    <userDefinedRuntimeAttributes>
+                        <userDefinedRuntimeAttribute type="boolean" keyPath="isAdapterFont" value="YES"/>
+                    </userDefinedRuntimeAttributes>
+                </label>
+            </subviews>
+            <viewLayoutGuide key="safeArea" id="fnl-2z-Ty3"/>
+            <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+            <constraints>
+                <constraint firstItem="LJk-Xf-Jyn" firstAttribute="leading" secondItem="fnl-2z-Ty3" secondAttribute="leading" id="NhI-aa-FQH"/>
+                <constraint firstItem="fnl-2z-Ty3" firstAttribute="trailing" secondItem="LJk-Xf-Jyn" secondAttribute="trailing" id="R2C-Lj-iJq"/>
+                <constraint firstItem="LJk-Xf-Jyn" firstAttribute="top" secondItem="fnl-2z-Ty3" secondAttribute="top" constant="100" id="i7g-Eb-XAw">
+                    <userDefinedRuntimeAttributes>
+                        <userDefinedRuntimeAttribute type="boolean" keyPath="isAdaptateScreen" value="YES"/>
+                    </userDefinedRuntimeAttributes>
+                </constraint>
+            </constraints>
+            <point key="canvasLocation" x="138.75" y="153.16901408450704"/>
+        </view>
+    </objects>
+    <resources>
+        <systemColor name="linkColor">
+            <color red="0.0" green="0.47843137254901963" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+        </systemColor>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>
diff --git a/Example/STBaseProject/ViewController.swift b/Example/STBaseProject/ViewController.swift
index c2f79bc..2a68331 100644
--- a/Example/STBaseProject/ViewController.swift
+++ b/Example/STBaseProject/ViewController.swift
@@ -33,7 +33,7 @@ class ViewController: STBaseViewController {
     
     override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
         super.touchesBegan(touches, with: event)
-        let nextVC = STNextViewController()
+        let nextVC = STTestViewController.init(nibName: "STTestViewController", bundle: nil)
         self.navigationController?.pushViewController(nextVC, animated: true)
     }
     
diff --git a/STBaseProject/Classes/STBaseModule/STCommon/STIBInspectable.swift b/STBaseProject/Classes/STBaseModule/STCommon/STIBInspectable.swift
index cb90ac1..1fd22fb 100644
--- a/STBaseProject/Classes/STBaseModule/STCommon/STIBInspectable.swift
+++ b/STBaseProject/Classes/STBaseModule/STCommon/STIBInspectable.swift
@@ -23,7 +23,7 @@ extension UILabel {
     @IBInspectable open var isAdapterFont: Bool {
         set {
             let fontName = self.font.fontName
-            let adapterSize = self.font.pointSize
+            let adapterSize = self.font.pointSize * STConstants.st_multiplier()
             self.font = UIFont.st_systemFont(ofSize: adapterSize, fontName: fontName)
         }
         get {