--- a/application/p/logic/Equipment.php
+++ b/application/p/logic/Equipment.php
@@ -543,6 +543,10 @@
     }
     public function versionList($where, $page, $pageSize, $orderBy){
         $data['row'] = $this->VersionModel->inquiry($where, $page, $pageSize, $orderBy);
+        foreach ($data['row'] as &$row) {
+            $row = $this->normalizeVersionDateTimeResponse($row);
+        }
+        unset($row);
         $data['total'] = $this->VersionModel->inquiryCount($where);
         return $data;
     }
@@ -569,7 +573,25 @@
     }
     public function versionRead($uuid){
         $read = $this->VersionModel->read($uuid);
+        if (is_array($read)) {
+            $read = $this->normalizeVersionDateTimeResponse($read);
+        }
         return $read;
+    }
+
+    /** MySQL equipment_version.create_time is DATETIME(0); preserve nonzero fractions. */
+    private function normalizeVersionDateTimeResponse(array $row): array
+    {
+        if (ltrim((string)\think\Config::get('database.type'), '\\') !== \app\cores\database\Dm::class) {
+            return $row;
+        }
+        if (isset($row['create_time']) && is_string($row['create_time'])
+            && preg_match('/^((\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2}))\.0{1,6}$/D', $row['create_time'], $match)
+            && (int)$match[2] >= 1000 && checkdate((int)$match[3], (int)$match[4], (int)$match[2])
+            && (int)$match[5] <= 23 && (int)$match[6] <= 59 && (int)$match[7] <= 59) {
+            $row['create_time'] = $match[1];
+        }
+        return $row;
     }
 
     /**