diff --git a/app/src/main/assets/docs/images/ex-gravity.png b/app/src/main/assets/docs/images/ex-gravity.png
new file mode 100644
index 00000000..8d89de7e
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diff --git a/app/src/main/assets/docs/images/ex-layout-gravity.png b/app/src/main/assets/docs/images/ex-layout-gravity.png
new file mode 100644
index 00000000..055e488b
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diff --git a/app/src/main/assets/docs/images/ex-marginLeft.png b/app/src/main/assets/docs/images/ex-marginLeft.png
new file mode 100644
index 00000000..790e2a8c
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diff --git a/app/src/main/assets/docs/images/ex-padding.png b/app/src/main/assets/docs/images/ex-padding.png
new file mode 100644
index 00000000..669c4264
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diff --git a/app/src/main/assets/docs/images/ex-properties.png b/app/src/main/assets/docs/images/ex-properties.png
new file mode 100644
index 00000000..9a22c6c8
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diff --git a/app/src/main/assets/docs/images/ex-w.png b/app/src/main/assets/docs/images/ex-w.png
new file mode 100644
index 00000000..2e036a70
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diff --git a/app/src/main/assets/docs/images/ex1-horizontal.png b/app/src/main/assets/docs/images/ex1-horizontal.png
new file mode 100644
index 00000000..febe5114
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diff --git a/app/src/main/assets/docs/images/ex1-margin.png b/app/src/main/assets/docs/images/ex1-margin.png
new file mode 100644
index 00000000..c46c1c67
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diff --git a/app/src/main/assets/docs/images/ex1.png b/app/src/main/assets/docs/images/ex1.png
new file mode 100644
index 00000000..de220d55
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diff --git a/app/src/main/assets/docs/images/ex2-margin.png b/app/src/main/assets/docs/images/ex2-margin.png
new file mode 100644
index 00000000..a615befa
Binary files /dev/null and b/app/src/main/assets/docs/images/ex2-margin.png differ
diff --git a/autojs/src/main/assets/modules/__selector__.js b/autojs/src/main/assets/modules/__selector__.js
index 28397e8c..68c203cc 100644
--- a/autojs/src/main/assets/modules/__selector__.js
+++ b/autojs/src/main/assets/modules/__selector__.js
@@ -1,7 +1,7 @@
 
 module.exports = function(__runtime__, scope){
 
-    var __selector__ = __runtime__.selector(scope.__engine__);
+    var __selector__ = __runtime__.selector();
     var __obj__ = new java.lang.Object();
 
     for(var method in __selector__){
@@ -16,8 +16,7 @@ module.exports = function(__runtime__, scope){
     }
 
     return function(){
-        var s = __runtime__.selector(scope.__engine__);
-        return s;
+        return __runtime__.selector();
     };
 }
 
diff --git a/autojs/src/main/java/com/stardust/autojs/core/floaty/FloatyWindow.java b/autojs/src/main/java/com/stardust/autojs/core/floaty/FloatyWindow.java
index 7b0285e0..c393187b 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/floaty/FloatyWindow.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/floaty/FloatyWindow.java
@@ -1,8 +1,10 @@
 package com.stardust.autojs.core.floaty;
 
 import android.support.annotation.Nullable;
+import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.FrameLayout;
 
 import com.stardust.autojs.R;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
index 846edab0..3df7e422 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
@@ -282,7 +282,7 @@ public class ScriptRuntime {
         return ProcessShell.execCommand(cmd, root != 0);
     }
 
-    public UiSelector selector(ScriptEngine engine) {
+    public UiSelector selector() {
         return new UiSelector(accessibilityBridge);
     }
 
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
index 7d89c4a4..87a8ceac 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
@@ -152,7 +152,7 @@ public class Images {
         return ImageWrapper.ofBitmap(bitmap);
     }
 
-    public ImageWrapper decodeBase64(String data){
+    public ImageWrapper decodeBase64(String data) {
         return ImageWrapper.ofBitmap(Drawables.loadData(data));
     }
 
@@ -216,10 +216,15 @@ public class Images {
         }
         org.opencv.core.Point point = TemplateMatching.fastTemplateMatching(src, template.getMat(), TemplateMatching.MATCHING_METHOD_DEFAULT,
                 weakThreshold, threshold, maxLevel);
-        if (point != null && rect != null) {
-            point.x = mScreenMetrics.scaleX((int) (point.x + rect.x));
-            point.y = mScreenMetrics.scaleX((int) (point.y + rect.y));
+        if (point != null) {
+            if (rect != null) {
+                point.x += rect.x;
+                point.y += rect.y;
+            }
+            point.x = mScreenMetrics.scaleX((int) point.x);
+            point.y = mScreenMetrics.scaleX((int) point.y);
         }
+
         return point;
     }