diff --git a/app/src/main/java/com/idormy/sms/forwarder/RuleActivity.java b/app/src/main/java/com/idormy/sms/forwarder/RuleActivity.java
index 97fff669..0048efcd 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/RuleActivity.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/RuleActivity.java
@@ -374,49 +374,49 @@ public class RuleActivity extends AppCompatActivity {
         buttonInsertSender.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{来源号码}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{来源号码}}");
         });
 
         Button buttonInsertContent = view1.findViewById(R.id.bt_insert_content);
         buttonInsertContent.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{短信内容}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{短信内容}}");
         });
 
         Button buttonInsertSenderApp = view1.findViewById(R.id.bt_insert_sender_app);
         buttonInsertSenderApp.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{APP包名}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{APP包名}}");
         });
 
         Button buttonInsertContentApp = view1.findViewById(R.id.bt_insert_content_app);
         buttonInsertContentApp.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{通知内容}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{通知内容}}");
         });
 
         Button buttonInsertExtra = view1.findViewById(R.id.bt_insert_extra);
         buttonInsertExtra.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{卡槽信息}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{卡槽信息}}");
         });
 
         Button buttonInsertTime = view1.findViewById(R.id.bt_insert_time);
         buttonInsertTime.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{接收时间}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{接收时间}}");
         });
 
         Button buttonInsertDeviceName = view1.findViewById(R.id.bt_insert_device_name);
         buttonInsertDeviceName.setOnClickListener(view -> {
             textSmsTemplate.setFocusable(true);
             textSmsTemplate.requestFocus();
-            textSmsTemplate.append("{{设备名称}}");
+            insertOrReplaceText2Cursor(textSmsTemplate, "{{设备名称}}");
         });
 
         //正则替换
@@ -433,6 +433,12 @@ public class RuleActivity extends AppCompatActivity {
 
     }
 
+    private void insertOrReplaceText2Cursor(EditText editText, String str) {
+        int start = Math.max(editText.getSelectionStart(), 0);
+        int end = Math.max(editText.getSelectionEnd(), 0);
+        editText.getText().replace(Math.min(start, end), Math.max(start, end), str, 0, str.length());
+    }
+
     //当更新选择的字段的时候，更新之下各个选项的状态
     // 如果设置了转发全部，禁用选择模式和匹配值输入
     // 如果设置了多重规则，选择模式置为是
diff --git a/app/src/main/java/com/idormy/sms/forwarder/SettingActivity.java b/app/src/main/java/com/idormy/sms/forwarder/SettingActivity.java
index ca07b181..f06aabca 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/SettingActivity.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/SettingActivity.java
@@ -356,24 +356,30 @@ public class SettingActivity extends AppCompatActivity {
         textSmsTemplate.requestFocus();
         switch (v.getId()) {
             case R.id.bt_insert_sender:
-                textSmsTemplate.append("{{来源号码}}");
+                insertOrReplaceText2Cursor(textSmsTemplate, "{{来源号码}}");
                 return;
             case R.id.bt_insert_content:
-                textSmsTemplate.append("{{短信内容}}");
+                insertOrReplaceText2Cursor(textSmsTemplate, "{{短信内容}}");
                 return;
             case R.id.bt_insert_extra:
-                textSmsTemplate.append("{{卡槽信息}}");
+                insertOrReplaceText2Cursor(textSmsTemplate, "{{卡槽信息}}");
                 return;
             case R.id.bt_insert_time:
-                textSmsTemplate.append("{{接收时间}}");
+                insertOrReplaceText2Cursor(textSmsTemplate, "{{接收时间}}");
                 return;
             case R.id.bt_insert_device_name:
-                textSmsTemplate.append("{{设备名称}}");
+                insertOrReplaceText2Cursor(textSmsTemplate, "{{设备名称}}");
                 return;
             default:
         }
     }
 
+    private void insertOrReplaceText2Cursor(EditText editText, String str) {
+        int start = Math.max(editText.getSelectionStart(), 0);
+        int end = Math.max(editText.getSelectionEnd(), 0);
+        editText.getText().replace(Math.min(start, end), Math.max(start, end), str, 0, str.length());
+    }
+
     //恢复初始化配置
     public void initSetting(View view) {