diff --git a/.idea/misc.xml b/.idea/misc.xml
index c69e71bb..274735b3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -48,7 +48,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 37d1004d..c5e6e837 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,8 +9,8 @@ android {
         applicationId "com.stardust.scriptdroid"
         minSdkVersion 17
         targetSdkVersion 23
-        versionCode 154
-        versionName "2.0.15 Alpha2"
+        versionCode 155
+        versionName "2.0.15 Alpha3"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
         ndk {
diff --git a/app/src/main/assets/help/documentation/事件与按键、触摸监听.md b/app/src/main/assets/help/documentation/事件与按键、触摸监听.md
index cb792810..2512ff83 100644
--- a/app/src/main/assets/help/documentation/事件与按键、触摸监听.md
+++ b/app/src/main/assets/help/documentation/事件与按键、触摸监听.md
@@ -89,15 +89,15 @@ loop();
 返回触摸事件的最小时间间隔。
 
 ### events.onTouch(listener)
-* listener \<Function\> 参数为(x, y)的函数
+* listener \<Function\> 参数为Point的函数
 
 注册一个触摸监听函数。
 
 例如:
 ```
 events.observeTouch();
-events.onTouch(function(x, y){
-    log(x + ", " + y);
+events.onTouch(function(p){
+    log(p.x + ", " + p.y);
 });
 events.loop();
 ```
@@ -106,21 +106,6 @@ events.loop();
 
 删除所有事件监听函数。
 
-### events.setTimeout(callback, delay)
-* callback \<Function\> 回调函数
-* delay \<Number\> 延迟
-
-延迟大约delay毫秒后执行callback。该函数只有在events.loop()被使用时才有效。
-
-返回一个整数表示这个设置的timeout, 可由clearTimeout取消。
-
-
-### events.clearTimeout(id)
-
-* id \<Number\> 由 setTimeout() 返回的 ID 值。该值标识要取消的延迟执行回调。
-
-取消由 setTimeout() 方法设置的 timeout。
-
 ### key事件
 
 当有按键被按下或弹起时会触发该事件。
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/CodeCompletion.java b/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/CodeCompletion.java
index da74edb0..e6bdae80 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/CodeCompletion.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/CodeCompletion.java
@@ -95,7 +95,6 @@ public class CodeCompletion implements TextWatcher {
     @Override
     public void afterTextChanged(Editable s) {
         int position = mEditText.getSelectionStart();
-
         String[] str = parseWordBefore(s, position);
         if (str != null) {
             if (str[1] != null) {
@@ -163,8 +162,13 @@ public class CodeCompletion implements TextWatcher {
     private boolean searchCodeCompletionForVariable(String variable, String str) {
         List<String> properties = getPropertiesForVariable(variable);
         Collection<CodeCompletionItem> c = searchCodeCompletion(str, properties);
-        mOnCodeCompletionChangeListener.OnCodeCompletionChange(c, Collections.<CodeCompletionItem>emptyList());
-        return !c.isEmpty();
+        if (c.isEmpty()) {
+            mOnCodeCompletionChangeListener.OnCodeCompletionChange(DEFAULT_CODE_COMPLETION_LIST, Collections.<CodeCompletionItem>emptyList());
+            return false;
+        } else {
+            mOnCodeCompletionChangeListener.OnCodeCompletionChange(c, Collections.<CodeCompletionItem>emptyList());
+            return true;
+        }
     }
 
     private List<String> getPropertiesForVariable(String str) {
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/InputMethodEnhanceBar.java b/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/InputMethodEnhanceBar.java
index 72c520f9..c030f5ac 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/InputMethodEnhanceBar.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/edit/completion/InputMethodEnhanceBar.java
@@ -109,7 +109,11 @@ public class InputMethodEnhanceBar extends RecyclerView implements CodeCompletio
                     mCodeCompletion.setVariableProperties(variables);
                 }
             });
+        }else {
+            mCodeCompletion.setGlobal(global);
+            mCodeCompletion.setVariableProperties(variables);
         }
+
     }
 
     public void setEditTextBridge(EditTextBridge editTextBridge) {
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
index ea949b0d..3746008e 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
@@ -22,14 +22,14 @@ public class Timers {
         mBridges = bridges;
     }
 
-    public int setTimeout(final Object listener, long delay, final Object... args) {
+    public int setTimeout(final Object callback, long delay, final Object... args) {
         prepareLoopIfNeeded();
         mCallbackMaxId++;
         final int id = mCallbackMaxId;
         Runnable r = new Runnable() {
             @Override
             public void run() {
-                mBridges.callFunction(listener, null, args);
+                mBridges.callFunction(callback, null, args);
                 mHandlerCallbacks.remove(id);
             }
         };
@@ -98,7 +98,11 @@ public class Timers {
         if (Looper.myLooper() != null)
             return;
         Looper.prepare();
-        sLoopers.put(Thread.currentThread(), Looper.myLooper());
+        Looper looper = Looper.myLooper();
+        if (looper != null) {
+            // null check is not necessary, just to make Android Studio happy
+            sLoopers.put(Thread.currentThread(), looper);
+        }
         mHandler = new Handler();
     }