diff --git a/app/build.gradle b/app/build.gradle
index 2b12180..8bb725e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,7 +21,7 @@ android {
         applicationId "com.fankes.tsbattery"
         minSdkVersion 22
         //noinspection ExpiredTargetSdkVersion
-        targetSdkVersion 28
+        targetSdkVersion 26
         versionCode 7
         versionName "2.4"
 
diff --git a/app/src/main/java/com/fankes/tsbattery/hook/HookMain.kt b/app/src/main/java/com/fankes/tsbattery/hook/HookMain.kt
index 292d684..5dae2b5 100644
--- a/app/src/main/java/com/fankes/tsbattery/hook/HookMain.kt
+++ b/app/src/main/java/com/fankes/tsbattery/hook/HookMain.kt
@@ -124,7 +124,7 @@ class HookMain : IXposedHookLoadPackage {
      * @param content
      */
     private fun logD(content: String) {
-        XposedBridge.log(content)
+        XposedBridge.log("[TSBattery][D]>$content")
         Log.d("TSBattery", content)
     }
 
@@ -133,7 +133,8 @@ class HookMain : IXposedHookLoadPackage {
      * @param content
      */
     private fun logE(content: String, e: Throwable? = null) {
-        XposedBridge.log(content)
+        XposedBridge.log("[TSBattery][E]>$content")
+        XposedBridge.log(e)
         Log.e("TSBattery", content, e)
     }