WebView 只在屏幕左半边显示网页内容的问题

contentView = (WebView)this.findViewById(R.id.content);

WebSettings mWebSettings = contentView.getSettings();

mWebSettings.setUseWideViewPort(true); 

mWebSettings.setLoadWithOverviewMode(true); 

mWebSettings.setTextZoom(getResources().getInteger(R.integer.webview_text_size));

contentView.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);

sourceView.setText(source);

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="#FFFFFF"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".ListItemShowActivity" >

    <ScrollView

        android:id="@+id/scrollView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/content"

        android:layout_alignParentTop="true" >

        <RelativeLayout

            android:layout_width="match_parent"

            android:layout_height="match_parent" >

            <TextView

                android:id="@+id/title"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_alignParentTop="true"

                android:layout_centerHorizontal="true"

                android:textAppearance="?android:attr/textAppearanceLarge" />

            <LinearLayout

                android:id="@+id/container"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_below="@id/title"

                android:layout_centerHorizontal="true"

                android:orientation="horizontal" >

                <TextView

                    android:id="@+id/create_time"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:textAppearance="?android:attr/textAppearanceSmall" />

                <TextView

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:text="  " />

                <TextView

                    android:id="@+id/source"

                    android:layout_width="wrap_content"

                    android:layout_height="wrap_content"

                    android:textAppearance="?android:attr/textAppearanceSmall" />

            </LinearLayout>

                <WebView

                    android:id="@+id/content"

                    android:layout_width="match_parent"

                    android:layout_height="match_parent"

                    android:layout_below="@id/container"

                    android:layout_centerInParent="true"

                    android:padding="5dp" />

        </RelativeLayout>

    </ScrollView>

</LinearLayout>