diff --git a/module/ai/control.php b/module/ai/control.php
index 6056bc456f..fd1c640b3a 100644
--- a/module/ai/control.php
+++ b/module/ai/control.php
@@ -454,19 +454,19 @@ class ai extends control
     public function promptExecute($promptId, $objectId)
     {
         $prompt = $this->ai->getPromptByID($promptId);
-        if(empty($prompt) || !$this->ai->isExecutable($prompt)) return $this->send(array('result' => 'fail', 'message' => $this->lang->ai->execute->fail));
+        if(empty($prompt) || !$this->ai->isExecutable($prompt)) return $this->send(array('result' => 'fail', 'message' => sprintf($this->lang->ai->execute->failFormat, $this->lang->ai->execute->failReasons['noPrompt'])));
 
         $object = $this->ai->getObjectForPromptById($prompt, $objectId);
-        if(empty($object)) return $this->send(array('result' => 'fail', 'message' => $this->lang->ai->execute->fail));
+        if(empty($object)) return $this->send(array('result' => 'fail', 'message' => sprintf($this->lang->ai->execute->failFormat, $this->lang->ai->execute->failReasons['noObjectData'])));
 
         $response = $this->ai->executePrompt($prompt, $object);
-        if(empty($response)) return $this->send(array('result' => 'fail', 'message' => $this->lang->ai->execute->fail));
+        if(empty($response)) return $this->send(array('result' => 'fail', 'message' => sprintf($this->lang->ai->execute->failFormat, $this->lang->ai->execute->failReasons['noResponse'])));
 
         list($objectData, $rawObject) = $object;
 
         $this->ai->setInjectData($prompt->targetForm, $response);
         $location = $this->ai->getTargetFormLocation($prompt, $rawObject);
-        if(empty($location)) return $this->send(array('result' => 'fail', 'message' => $this->lang->ai->execute->fail));
+        if(empty($location)) return $this->send(array('result' => 'fail', 'message' => sprintf($this->lang->ai->execute->failFormat, $this->lang->ai->execute->failReasons['noTargetForm'])));
 
         $_SESSION['auditPrompt']['prompt'] = $prompt;
         if($prompt->status == 'draft')
diff --git a/module/ai/lang/de.php b/module/ai/lang/de.php
index 2dfb58d498..2c23474151 100644
--- a/module/ai/lang/de.php
+++ b/module/ai/lang/de.php
@@ -711,8 +711,14 @@ $lang->ai->dataInject->success = 'Prompt execution results are filled in.';
 $lang->ai->dataInject->fail    = 'Failed to fill in prompt execution results.';
 
 $lang->ai->execute = new stdclass();
-$lang->ai->execute->success = 'Prompt executed.';
-$lang->ai->execute->fail    = 'Prompt execution failed.';
+$lang->ai->execute->success    = 'Prompt executed.';
+$lang->ai->execute->fail       = 'Prompt execution failed.';
+$lang->ai->execute->failFormat = 'Prompt execution failed: %s.';
+$lang->ai->execute->failReasons = array();
+$lang->ai->execute->failReasons['noPrompt']     = 'unable to get prompt';
+$lang->ai->execute->failReasons['noObjectData'] = 'unable to get object data';
+$lang->ai->execute->failReasons['noResponse']   = 'no response from external service';
+$lang->ai->execute->failReasons['noTargetForm'] = 'unable to get target form';
 
 $lang->ai->audit = new stdclass();
 $lang->ai->audit->designPrompt = 'Prompt Design';
diff --git a/module/ai/lang/en.php b/module/ai/lang/en.php
index 82814180b3..906b9b770b 100644
--- a/module/ai/lang/en.php
+++ b/module/ai/lang/en.php
@@ -711,8 +711,14 @@ $lang->ai->dataInject->success = 'Prompt execution results are filled in.';
 $lang->ai->dataInject->fail    = 'Failed to fill in prompt execution results.';
 
 $lang->ai->execute = new stdclass();
-$lang->ai->execute->success = 'Prompt executed.';
-$lang->ai->execute->fail    = 'Prompt execution failed.';
+$lang->ai->execute->success    = 'Prompt executed.';
+$lang->ai->execute->fail       = 'Prompt execution failed.';
+$lang->ai->execute->failFormat = 'Prompt execution failed: %s.';
+$lang->ai->execute->failReasons = array();
+$lang->ai->execute->failReasons['noPrompt']     = 'unable to get prompt';
+$lang->ai->execute->failReasons['noObjectData'] = 'unable to get object data';
+$lang->ai->execute->failReasons['noResponse']   = 'no response from external service';
+$lang->ai->execute->failReasons['noTargetForm'] = 'unable to get target form';
 
 $lang->ai->audit = new stdclass();
 $lang->ai->audit->designPrompt = 'Prompt Design';
diff --git a/module/ai/lang/fr.php b/module/ai/lang/fr.php
index adaec7eaf9..09e4904920 100644
--- a/module/ai/lang/fr.php
+++ b/module/ai/lang/fr.php
@@ -711,8 +711,14 @@ $lang->ai->dataInject->success = 'Prompt execution results are filled in.';
 $lang->ai->dataInject->fail    = 'Failed to fill in prompt execution results.';
 
 $lang->ai->execute = new stdclass();
-$lang->ai->execute->success = 'Prompt executed.';
-$lang->ai->execute->fail    = 'Prompt execution failed.';
+$lang->ai->execute->success    = 'Prompt executed.';
+$lang->ai->execute->fail       = 'Prompt execution failed.';
+$lang->ai->execute->failFormat = 'Prompt execution failed: %s.';
+$lang->ai->execute->failReasons = array();
+$lang->ai->execute->failReasons['noPrompt']     = 'unable to get prompt';
+$lang->ai->execute->failReasons['noObjectData'] = 'unable to get object data';
+$lang->ai->execute->failReasons['noResponse']   = 'no response from external service';
+$lang->ai->execute->failReasons['noTargetForm'] = 'unable to get target form';
 
 $lang->ai->audit = new stdclass();
 $lang->ai->audit->designPrompt = 'Prompt Design';
diff --git a/module/ai/lang/zh-cn.php b/module/ai/lang/zh-cn.php
index 64fa69d046..93beece7cc 100644
--- a/module/ai/lang/zh-cn.php
+++ b/module/ai/lang/zh-cn.php
@@ -696,8 +696,14 @@ $lang->ai->dataInject->success = '已将提词执行结果填写到表单中';
 $lang->ai->dataInject->fail    = '提词执行结果填写失败';
 
 $lang->ai->execute = new stdclass();
-$lang->ai->execute->success = '提词执行成功';
-$lang->ai->execute->fail    = '提词执行失败';
+$lang->ai->execute->success    = '提词执行成功';
+$lang->ai->execute->fail       = '提词执行失败';
+$lang->ai->execute->failFormat = '提词执行失败：%s。';
+$lang->ai->execute->failReasons = array();
+$lang->ai->execute->failReasons['noPrompt']     = '提词不存在';
+$lang->ai->execute->failReasons['noObjectData'] = '对象数据获取失败';
+$lang->ai->execute->failReasons['noResponse']   = '请求返回值为空';
+$lang->ai->execute->failReasons['noTargetForm'] = '目标表单地址获取失败';
 
 $lang->ai->audit = new stdclass();
 $lang->ai->audit->designPrompt = '提词设计';