diff --git a/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuAppFragment.kt b/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuAppFragment.kt
index 2a7a6528..918664ac 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuAppFragment.kt
+++ b/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuAppFragment.kt
@@ -7,6 +7,7 @@ import android.view.ViewGroup
 import android.widget.EditText
 import androidx.fragment.app.viewModels
 import com.google.gson.Gson
+import com.google.gson.JsonParser
 import com.idormy.sms.forwarder.R
 import com.idormy.sms.forwarder.core.BaseFragment
 import com.idormy.sms.forwarder.core.Core
@@ -299,6 +300,13 @@ class FeishuAppFragment : BaseFragment<FragmentSendersFeishuAppBinding?>(), View
         val title = binding!!.etTitleTemplate.text.toString().trim()
         val messageCard = binding!!.etMessageCard.text.toString().trim()
 
+        try {
+            JsonParser.parseString(messageCard)
+        } catch (e: Exception) {
+            Log.e(TAG, "checkSetting error:$e")
+            throw Exception(getString(R.string.invalid_message_card))
+        }
+
         return FeishuAppSetting(appId, appSecret, receiveId, msgType, title, receiveIdType, messageCard)
     }
 
diff --git a/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuFragment.kt b/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuFragment.kt
index b6fa686b..c1ce22c5 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuFragment.kt
+++ b/app/src/main/java/com/idormy/sms/forwarder/fragment/senders/FeishuFragment.kt
@@ -7,6 +7,7 @@ import android.view.ViewGroup
 import android.widget.EditText
 import androidx.fragment.app.viewModels
 import com.google.gson.Gson
+import com.google.gson.JsonParser
 import com.idormy.sms.forwarder.R
 import com.idormy.sms.forwarder.core.BaseFragment
 import com.idormy.sms.forwarder.core.Core
@@ -279,6 +280,13 @@ class FeishuFragment : BaseFragment<FragmentSendersFeishuBinding?>(), View.OnCli
         val title = binding!!.etTitleTemplate.text.toString().trim()
         val messageCard = binding!!.etMessageCard.text.toString().trim()
 
+        try {
+            JsonParser.parseString(messageCard)
+        } catch (e: Exception) {
+            Log.e(TAG, "checkSetting error:$e")
+            throw Exception(getString(R.string.invalid_message_card))
+        }
+
         return FeishuSetting(webhook, secret, msgType, title, messageCard)
     }
 
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 2588cc5d..a177938f 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -309,6 +309,7 @@
     <string name="invalid_phone_num">The receiving phone number cannot be empty</string>
     <string name="invalid_multi_match">Malformed multiple match rule line %s</string>
     <string name="invalid_regex_replace">Incorrect format on line %s of regex replacement</string>
+    <string name="invalid_message_card">The Message Card Json is invalid.</string>
     <string name="set_bark_name">Group Name/Status</string>
     <string name="set_name">Name/Status</string>
     <string name="email_host">Host</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 30f5ab59..3c83aa25 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -310,6 +310,7 @@
     <string name="invalid_phone_num">接收手机号不能为空</string>
     <string name="invalid_multi_match">多重匹配规则的第 %s 行格式有误</string>
     <string name="invalid_regex_replace">正则替换内容的第 %s 行格式有误</string>
+    <string name="invalid_message_card">自定义消息卡片Json不合法</string>
     <string name="set_bark_name">分组名称/状态</string>
     <string name="set_name">名称/状态</string>
     <string name="email_host">主机</string>
@@ -329,7 +330,7 @@
     <string name="feishu_msg_type_text">纯文本</string>
     <string name="feishu_msg_type_interactive">消息卡片</string>
     <string name="feishu_msg_type_interactive_title">标题模板</string>
-    <string name="feishu_msg_type_interactive_message_card">自定义消息卡片</string>
+    <string name="feishu_msg_type_interactive_message_card">自定义消息卡片Json</string>
     <string name="Customize_API">自定义API</string>
     <string name="Corp_ID">企业ID</string>
     <string name="Agent_ID">AgentId</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 80a425bc..f7238002 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -310,6 +310,7 @@
     <string name="invalid_phone_num">接收手機號不能為空</string>
     <string name="invalid_multi_match">多重匹配規則的第 %s 行格式有誤</string>
     <string name="invalid_regex_replace">正則替換內容的第 %s 行格式有誤</string>
+    <string name="invalid_message_card">自定義消息卡片Json不合法</string>
     <string name="set_bark_name">分組名稱/狀態</string>
     <string name="set_name">名稱/狀態</string>
     <string name="email_host">主機</string>
@@ -329,7 +330,7 @@
     <string name="feishu_msg_type_text">純文本</string>
     <string name="feishu_msg_type_interactive">消息卡片</string>
     <string name="feishu_msg_type_interactive_title">標題模板</string>
-    <string name="feishu_msg_type_interactive_message_card">自定義消息卡片</string>
+    <string name="feishu_msg_type_interactive_message_card">自定義消息卡片Json</string>
     <string name="Customize_API">自定義API</string>
     <string name="Corp_ID">企業ID</string>
     <string name="Agent_ID">AgentId</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c93821a2..9ed2c8d9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -310,6 +310,7 @@
     <string name="invalid_phone_num">接收手机号不能为空</string>
     <string name="invalid_multi_match">多重匹配规则的第 %s 行格式有误</string>
     <string name="invalid_regex_replace">正则替换内容的第 %s 行格式有误</string>
+    <string name="invalid_message_card">自定义消息卡片Json不合法</string>
     <string name="set_bark_name">分组名称/状态</string>
     <string name="set_name">名称/状态</string>
     <string name="email_host">主机</string>
@@ -329,7 +330,7 @@
     <string name="feishu_msg_type_text">纯文本</string>
     <string name="feishu_msg_type_interactive">消息卡片</string>
     <string name="feishu_msg_type_interactive_title">标题模板</string>
-    <string name="feishu_msg_type_interactive_message_card">自定义消息卡片</string>
+    <string name="feishu_msg_type_interactive_message_card">自定义消息卡片Json</string>
     <string name="Customize_API">自定义API</string>
     <string name="Corp_ID">企业ID</string>
     <string name="Agent_ID">AgentId</string>