diff --git a/public/userarea/importify/check_vocabulary.php b/public/userarea/importify/check_vocabulary.php
index 378f980..25a91c6 100644
--- a/public/userarea/importify/check_vocabulary.php
+++ b/public/userarea/importify/check_vocabulary.php
@@ -91,16 +91,24 @@ if(isset($_FILES['f_csv'])) {
                     $idx_resultTestName_po = array_search($result_testNameHeaderFile, $arr_excel_columns);
                     $idx_groupCodeHeaderFile = array_search($result_groupNameHeaderFile, $arr_excel_columns);
 
-                    for($i=1; $i<count($arr_info); $i++) {
-                        if(!in_array($arr_info[$i][$idx_resultTestName_po], $arr_diff_anaysisvoc_words)) {
-                            array_push($arr_diff_anaysisvoc_words, 
-                            array(
-                                "word"=>$arr_info[$i][$idx_resultTestName_po],
-                                "groupcode"=> $arr_info[$i][$idx_groupCodeHeaderFile],
-                            ));                        
+                    $arr_unique_words = []; // Array to track unique words
+
+                    for ($i = 1; $i < count($arr_info); $i++) {
+                        $word = $arr_info[$i][$idx_resultTestName_po];
+                        
+                        // Check if the word is not already in the unique words array
+                        if (!in_array($word, $arr_unique_words)) {
+                            $arr_unique_words[] = $word; // Add the word to the unique words array
+
+                            // Now push to the output array
+                            array_push($arr_diff_anaysisvoc_words, array(
+                                "word" => $word,
+                                "groupcode" => $arr_info[$i][$idx_groupCodeHeaderFile],
+                            ));
                         }
                     }
 
+
                     foreach($arr_diff_anaysisvoc_words as $item) {
                         $arr_analysis_refdata = new WA_MySQLi_RS("rsl", $repnew, 0);
                         $trim_item = str_replace("\n", "", str_replace("'", "\'", $item['word']));