diff --git a/app/src/main/java/com/zcshou/database/DataBaseHistoryLocation.java b/app/src/main/java/com/zcshou/database/DataBaseHistoryLocation.java
index 0bbaed1..69d36e0 100644
--- a/app/src/main/java/com/zcshou/database/DataBaseHistoryLocation.java
+++ b/app/src/main/java/com/zcshou/database/DataBaseHistoryLocation.java
@@ -53,7 +53,6 @@ public class DataBaseHistoryLocation extends SQLiteOpenHelper {
             sqLiteDatabase.insert(TABLE_NAME, null, contentValues);
         } catch (Exception e) {
             XLog.e("DATABASE: insert error");
-            e.printStackTrace();
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/zcshou/database/DataBaseHistorySearch.java b/app/src/main/java/com/zcshou/database/DataBaseHistorySearch.java
index 12f8dba..1f06d05 100644
--- a/app/src/main/java/com/zcshou/database/DataBaseHistorySearch.java
+++ b/app/src/main/java/com/zcshou/database/DataBaseHistorySearch.java
@@ -55,7 +55,6 @@ public class DataBaseHistorySearch extends SQLiteOpenHelper {
             sqLiteDatabase.insert(DataBaseHistorySearch.TABLE_NAME, null, contentValues);
         } catch (Exception e) {
             XLog.e("DATABASE: insert error");
-            e.printStackTrace();
         }
     }
 }
diff --git a/app/src/main/java/com/zcshou/gogogo/HistoryActivity.java b/app/src/main/java/com/zcshou/gogogo/HistoryActivity.java
index 64f9295..380301d 100644
--- a/app/src/main/java/com/zcshou/gogogo/HistoryActivity.java
+++ b/app/src/main/java/com/zcshou/gogogo/HistoryActivity.java
@@ -117,8 +117,7 @@ public class HistoryActivity extends BaseActivity {
             DataBaseHistoryLocation hisLocDBHelper = new DataBaseHistoryLocation(getApplicationContext());
             mHistoryLocationDB = hisLocDBHelper.getWritableDatabase();
         } catch (Exception e) {
-            Log.e("HistoryActivity", "SQLiteDatabase init error");
-            e.printStackTrace();
+            Log.e("HistoryActivity", "ERROR - initLocationDataBase");
         }
 
         recordArchive();
@@ -161,7 +160,7 @@ public class HistoryActivity extends BaseActivity {
             cursor.close();
         } catch (Exception e) {
             data.clear();
-            e.printStackTrace();
+            Log.e("HistoryActivity", "ERROR - fetchAllRecord");
         }
 
         return data;
@@ -180,8 +179,7 @@ public class HistoryActivity extends BaseActivity {
             mHistoryLocationDB.delete(DataBaseHistoryLocation.TABLE_NAME,
                     DataBaseHistoryLocation.DB_COLUMN_TIMESTAMP + " < ?", new String[] {Long.toString(System.currentTimeMillis() / 1000 - weekSecond)});
         } catch (Exception e) {
-            Log.e("SQLITE", "archive error");
-            e.printStackTrace();
+            Log.e("HistoryActivity", "ERROR - recordArchive");
         }
     }
 
@@ -196,9 +194,8 @@ public class HistoryActivity extends BaseActivity {
                         DataBaseHistoryLocation.DB_COLUMN_ID + " = ?", new String[] {Integer.toString(ID)});
             }
         } catch (Exception e) {
-            Log.e("SQLITE", "delete error");
             deleteRet = false;
-            e.printStackTrace();
+            Log.e("HistoryActivity", "ERROR - deleteRecord");
         }
 
         return deleteRet;
@@ -324,7 +321,7 @@ public class HistoryActivity extends BaseActivity {
                         new int[]{R.id.LocationID, R.id.LocationText, R.id.TimeText, R.id.WGSLatLngText, R.id.BDLatLngText});
                 mRecordListView.setAdapter(simAdapt);
             } catch (Exception e) {
-                e.printStackTrace();
+                Log.e("HistoryActivity", "ERROR - updateRecordList");
             }
         }
     }
diff --git a/app/src/main/java/com/zcshou/joystick/JoyStick.java b/app/src/main/java/com/zcshou/joystick/JoyStick.java
index afc3af0..859b9ef 100644
--- a/app/src/main/java/com/zcshou/joystick/JoyStick.java
+++ b/app/src/main/java/com/zcshou/joystick/JoyStick.java
@@ -801,8 +801,7 @@ public class JoyStick extends View {
             cursor.close();
             mHistoryLocationDB.close();
         } catch (Exception e) {
-            Log.e("HistoryActivity", "SQLiteDatabase init error");
-            e.printStackTrace();
+            Log.e("JOYSTICK", "ERROR - fetchAllRecord");
         }
     }
 
@@ -823,7 +822,7 @@ public class JoyStick extends View {
                         new int[]{R.id.LocationID, R.id.LocationText, R.id.TimeText, R.id.WGSLatLngText, R.id.BDLatLngText});
                 mRecordListView.setAdapter(simAdapt);
             } catch (Exception e) {
-                e.printStackTrace();
+                Log.e("JOYSTICK", "ERROR - showHistory");
             }
         }
     }
diff --git a/app/src/main/java/com/zcshou/service/ServiceGo.java b/app/src/main/java/com/zcshou/service/ServiceGo.java
index d31b06c..6218cac 100644
--- a/app/src/main/java/com/zcshou/service/ServiceGo.java
+++ b/app/src/main/java/com/zcshou/service/ServiceGo.java
@@ -27,6 +27,7 @@ import android.os.SystemClock;
 import androidx.annotation.NonNull;
 import androidx.core.app.NotificationCompat;
 
+import com.elvishew.xlog.XLog;
 import com.zcshou.gogogo.MainActivity;
 import com.zcshou.gogogo.R;
 import com.zcshou.joystick.JoyStick;
@@ -192,7 +193,7 @@ public class ServiceGo extends Service {
                         sendEmptyMessage(HANDLER_MSG_ID);
                     }
                 } catch (InterruptedException e) {
-                    e.printStackTrace();
+                    XLog.e("SERVICEGO: ERROR - handleMessage");
                     Thread.currentThread().interrupt();
                 }
             }
@@ -208,7 +209,7 @@ public class ServiceGo extends Service {
                 mLocManager.removeTestProvider(LocationManager.GPS_PROVIDER);
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - removeTestProviderGPS");
         }
     }
 
@@ -228,7 +229,7 @@ public class ServiceGo extends Service {
                 mLocManager.setTestProviderEnabled(LocationManager.GPS_PROVIDER, true);
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - addTestProviderGPS");
         }
     }
 
@@ -250,7 +251,7 @@ public class ServiceGo extends Service {
 
             mLocManager.setTestProviderLocation(LocationManager.GPS_PROVIDER, loc);
         } catch (Exception e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - setLocationGPS");
         }
     }
 
@@ -261,7 +262,7 @@ public class ServiceGo extends Service {
                 mLocManager.removeTestProvider(LocationManager.NETWORK_PROVIDER);
             }
         } catch (Exception e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - removeTestProviderNetwork");
         }
     }
 
@@ -283,7 +284,7 @@ public class ServiceGo extends Service {
                 mLocManager.setTestProviderEnabled(LocationManager.NETWORK_PROVIDER, true);
             }
         } catch (SecurityException e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - addTestProviderNetwork");
         }
     }
 
@@ -302,7 +303,7 @@ public class ServiceGo extends Service {
 
             mLocManager.setTestProviderLocation(LocationManager.NETWORK_PROVIDER, loc);
         } catch (Exception e) {
-            e.printStackTrace();
+            XLog.e("SERVICEGO: ERROR - setLocationNetwork");
         }
     }