diff --git a/app/build.gradle b/app/build.gradle
index bcaeffbc..2ff525aa 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,7 +6,7 @@ android {
 
     defaultConfig {
         applicationId "com.orhanobut.loggersample"
-        minSdkVersion 16
+        minSdkVersion 14
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
diff --git a/logger/build.gradle b/logger/build.gradle
index 6cea1250..3101419c 100644
--- a/logger/build.gradle
+++ b/logger/build.gradle
@@ -8,7 +8,7 @@ android {
     buildToolsVersion '25.0.0'
 
     defaultConfig {
-        minSdkVersion 15
+        minSdkVersion 14
         targetSdkVersion 25
     }
 
diff --git a/logger/src/main/java/com/orhanobut/logger/LogPrinter.java b/logger/src/main/java/com/orhanobut/logger/LogPrinter.java
index 0361faf3..7556a4d1 100644
--- a/logger/src/main/java/com/orhanobut/logger/LogPrinter.java
+++ b/logger/src/main/java/com/orhanobut/logger/LogPrinter.java
@@ -37,10 +37,10 @@ protected String createStackElementTag(StackTraceElement ignored) {
         if (logBuilder.globalTag != null) {
             tag = logBuilder.globalTag;
         } else {
-            int offset = Logger.STACK_OFFSET + logBuilder.methodOffset - 1; // 调整栈的位置
+            int offset = Logger.STACK_OFFSET + logBuilder.methodOffset - 2; // 调整栈的位置
             final StackTraceElement[] stackTrace = new Throwable().getStackTrace();
-            int length = stackTrace.length;
-            tag = super.createStackElementTag(length > offset ? stackTrace[offset] : stackTrace[stackTrace.length - 1]);
+            final int length = stackTrace.length;
+            tag = super.createStackElementTag(length > offset ? stackTrace[offset] : stackTrace[length - 1]);
         }
         return maybeAddPrefix(tag);
     }