diff --git a/testdb.php b/testdb.php
index 0447289..3c5b9a0 100644
--- a/testdb.php
+++ b/testdb.php
@@ -6,25 +6,20 @@
             $p = 20;
             $pp = 0;
             $ppp = $p + $pp;//the number of questions
-            echo "<div id=\"ppp\" ppp=\"".$ppp."\"></div>\n<div class=\"section\" id=\"hiddenBefore\" style=\"\"><h5>&nbsp;&nbsp;单选题</h5>\n";
+            echo "<div id=\"ppp\" ppp=\"".$ppp."\"></div>\n<div class=\"section\" id=\"hiddenBefore\"><h5>&nbsp;&nbsp;单选题</h5>\n";
             //创建随机数组
             $randomArray = array_rand(range(1,99),$p+1);
             // for($i = 1;$i <= $p;$i++){
             //   echo $randomArray[$i]."  ";
             // }
             shuffle($randomArray);
-            $count = 0;
             for($i = 1;$i <= $p;$i++){
               $flag = 0;
               $random = $randomArray[$i];
               $result = mysqli_query($con,"SELECT * FROM Persons WHERE num='$random'");
-              $row = mysqli_fetch_array($result);
-                  $count += 1;
-                  echo "当前查询次数:$count, 查询行数: $random, 查询题号: $i";
+              while($row = mysqli_fetch_array($result)){
               //html
-                if($row) {
-                    $flag = 1;
-                }
+                $flag = 1;
                 echo "<div class=\"spbq\" name=\"div_e\"><div class=\"biankuang biankuang_1\"></div><div class=\"biankuang biankuang_2\"></div><div class=\"biankuang biankuang_3\"></div><div class=\"biankuang biankuang_4\"></div>";
                 echo "<h6 id=\"question_".$i."\">". $i. ".". $row['q'] ."</h6>\n<p>";
                 echo "<input class=\"with-gap\" type=\"radio\" name=\"answer_". $i. "\" value=\"1\" id=\"test". $i. "1\" onclick=\"addOne(this)\"/>\n<label for=\"test". $i. "1\">". $row['A'] ."</label>\n";
@@ -35,12 +30,11 @@
                 }
                 echo "</p></div>\n";
                 echo "<div class=\"input-field col s12\" style=\"height:1px;overflow:hidden\"><input value=\"".$random."\" type=\"text\" class=\"validate\" style=\"color:#fff\" name=\"question_".$i."\"></div>\n";
-              
-              echo $flag;
+              }
               if($flag == 0){
+                $randomArray[$i]++;
                 $i--;
-                echo $i;
-                sleep(1);
+                sleep(0.4);
               }
             }