diff --git a/app/src/main/java/com/hss01248/dialogutildemo/MainActivity.java b/app/src/main/java/com/hss01248/dialogutildemo/MainActivity.java
index 4dd1fe0..da7d987 100644
--- a/app/src/main/java/com/hss01248/dialogutildemo/MainActivity.java
+++ b/app/src/main/java/com/hss01248/dialogutildemo/MainActivity.java
@@ -404,6 +404,18 @@ public void onThird() {
                     }
 
 
+                }).show();
+                StyledDialog.buildIosAlert( "titlexxxxxxxxxx\nxxxxxxxxxxxt\nitlexxxxxxxxx\nxxxxxxxxxxx",
+                        "titlexxxxxxxxxx\nxxxxxxxxxxxt\nitlexxxxxxxxx\nxxxxxxxxxxx",
+                        new MyDialogListener() {
+                    @Override
+                    public void onFirst() {
+                        showToast("onFirst");
+                    }
+                    @Override
+                    public void onSecond() {
+
+                    }
                 }).show();
                 break;
             case R.id.btn_ios_alert_vertical:
diff --git a/dialog/src/main/java/com/hss01248/dialog/ScreenUtil.java b/dialog/src/main/java/com/hss01248/dialog/ScreenUtil.java
index ef7b473..e0783f9 100644
--- a/dialog/src/main/java/com/hss01248/dialog/ScreenUtil.java
+++ b/dialog/src/main/java/com/hss01248/dialog/ScreenUtil.java
@@ -21,6 +21,10 @@ public static int getScreenHeight() {
         int height =  getWindowManager().getDefaultDisplay().getHeight();
         return height;
     }
+    public static int getScreenWidth() {
+        int height =  getWindowManager().getDefaultDisplay().getWidth();
+        return height;
+    }
 
     /**
      * 通过反射，获取包含虚拟键的整体屏幕高度
diff --git a/dialog/src/main/java/com/hss01248/dialog/ios/IosAlertDialogHolder.java b/dialog/src/main/java/com/hss01248/dialog/ios/IosAlertDialogHolder.java
index a14a1f0..d9721aa 100644
--- a/dialog/src/main/java/com/hss01248/dialog/ios/IosAlertDialogHolder.java
+++ b/dialog/src/main/java/com/hss01248/dialog/ios/IosAlertDialogHolder.java
@@ -6,6 +6,7 @@
 import android.text.TextUtils;
 import android.text.method.HideReturnsTransformationMethod;
 import android.text.method.PasswordTransformationMethod;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
@@ -17,6 +18,8 @@
 import android.widget.TextView;
 
 import com.hss01248.dialog.R;
+import com.hss01248.dialog.ScreenUtil;
+import com.hss01248.dialog.StyledDialog;
 import com.hss01248.dialog.Tool;
 import com.hss01248.dialog.adapter.SuperLvHolder;
 import com.hss01248.dialog.config.ConfigBean;
@@ -209,6 +212,16 @@ public void onClick(View view) {
         });
     }
 
+    /**
+     * 策略: textview 使用wrap_content,
+     * 如果其宽度没有充满,那么将其和其内文字居中显示
+     * 否则,居左
+     * json类型的不调整其gravity
+     * 测试: 多行 短文字
+     *       单行 短文字
+     *       单行  长文字
+     * @param bean
+     */
     private void setMsgStyleAndTxt(ConfigBean bean) {
         if (TextUtils.isEmpty(bean.msg)) {
             tvMsg.setVisibility(View.GONE);
@@ -219,17 +232,27 @@ private void setMsgStyleAndTxt(ConfigBean bean) {
             tvMsg.setTextColor(Tool.getColor(tvMsg.getContext(),bean.msgTxtColor));
             tvMsg.setTextSize(bean.msgTxtSize);
 
-            tvMsg.measure(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
+            //json类型的不调整其gravity
+            if(bean.msg.toString().startsWith("{") && bean.msg.toString().endsWith("}")){
+                return;
+            }
+            if(bean.msg.toString().startsWith("[") && bean.msg.toString().endsWith("]")){
+                return;
+            }
             tvMsg.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
                 @Override
                 public void onGlobalLayout() {
                     int lineCount = tvMsg.getLineCount();
                     if(lineCount>0){
                         tvMsg.getViewTreeObserver().removeOnGlobalLayoutListener(this);
-                        if (lineCount ==1){
+
+                        Log.w("check","tvMsg.getMeasuredWidth()-"+tvMsg.getMeasuredWidth()+
+                                "-llContainerContent.getMeasuredWidth()-"+llContainerContent.getMeasuredWidth());
+                        if(tvMsg.getMeasuredWidth()*1.4 < llContainerContent.getMeasuredWidth() || lineCount == 1){
                             tvMsg.setGravity(Gravity.CENTER);
-                        }else {
-                            tvMsg.setGravity(Gravity.LEFT);
+                            LinearLayout.LayoutParams layoutParams = (LinearLayout.LayoutParams) tvMsg.getLayoutParams();
+                            layoutParams.gravity = Gravity.CENTER;
+                            tvMsg.setLayoutParams(layoutParams);
                         }
                     }
                 }
diff --git a/dialog/src/main/res/layout/dialog_ios_alert.xml b/dialog/src/main/res/layout/dialog_ios_alert.xml
index 9c0932c..cb03ef4 100644
--- a/dialog/src/main/res/layout/dialog_ios_alert.xml
+++ b/dialog/src/main/res/layout/dialog_ios_alert.xml
@@ -48,14 +48,14 @@
                     android:id="@+id/tv_msg"
                     android:textSize="@dimen/dialogutil_msg_txt_size"
                     android:textColor="@color/dialogutil_text_msg_33"
-                    android:gravity="center"
+                    android:gravity="left"
                     android:text="i am msg"
                     android:paddingTop="5dp"
                     android:paddingBottom="15dp"
                     android:paddingLeft="30dp"
                     android:paddingRight="30dp"
                     android:minHeight="60dp"
-                    android:layout_width="match_parent"
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"/>
 
                 <EditText