@@ -0,0 +1,103 @@
+<?php
+namespace app\command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use support\Db;
+use support\Log;
+
+/**
+ * 处理询单中的编号重复
+ */
+class FixInquiryLogOrderNo extends Command
+{
+    protected static $defaultName = 'sn';
+    protected static $defaultDescription = 'Fix duplicate order_no values in inquiry_log table';
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        // Start transaction for safety
+        Db::beginTransaction();
+        
+        try {
+            $output->writeln('Starting duplicate order_no fix process...');
+            
+            // Find all duplicate order_no values using Laravel-style query
+            $duplicates = Db::table('inquiry_log')
+                ->select('order_no', Db::raw('COUNT(*) as count'))
+                ->groupBy('order_no')
+                ->having('count', '>', 1)
+                ->get();
+            
+            if ($duplicates->isEmpty()) {
+                $output->writeln('No duplicate order_no values found.');
+                Db::commit();
+                return self::SUCCESS;
+            }
+            
+            $output->writeln(sprintf('Found %d order_no values with duplicates.', $duplicates->count()));
+            
+            $totalFixed = 0;
+            
+            foreach ($duplicates as $dup) {
+                $orderNo = $dup->order_no;
+                
+                $output->writeln("Processing duplicates for order_no: {$orderNo}");
+                
+                // Get all records with this order_no, ordered by created_at (oldest first)
+                $records = Db::table('inquiry_log')
+                    ->where('order_no', $orderNo)
+                    ->orderBy('created_at', 'asc')
+                    ->get();
+                
+                // Keep the first record as is, modify the rest
+                $keepOriginal = true;
+                
+                foreach ($records as $record) {
+                    if ($keepOriginal) {
+                        $output->writeln("Keeping original record ID {$record->id} with order_no {$record->order_no}");
+                        $keepOriginal = false;
+                        continue;
+                    }
+                    
+                    // Generate new order_no by appending suffix
+                    $newOrderNo = orderNum();
+                    $output->writeln("Updating record ID {$record->id} from {$record->order_no} to {$newOrderNo}");
+                    
+                    // Update the record
+                    Db::table('inquiry_log')
+                        ->where('id', $record->id)
+                        ->update(['order_no' => $newOrderNo]);
+                    
+                    $totalFixed++;
+
+                    sleep(1);
+                }
+            }
+            
+            Db::commit();
+            $output->writeln("Successfully fixed {$totalFixed} duplicate records.");
+            
+            // Verify no duplicates remain
+            $remainingDuplicates = Db::table('inquiry_log')
+                ->select('order_no', Db::raw('COUNT(*) as count'))
+                ->groupBy('order_no')
+                ->having('count', '>', 1)
+                ->get();
+            
+            if ($remainingDuplicates->isEmpty()) {
+                $output->writeln('Verification: No duplicate order_no values remain.');
+            } else {
+                $output->writeln('Warning: Some duplicates still remain. Please run the command again.');
+            }
+            
+            return self::SUCCESS;
+        } catch (\Throwable $e) {
+            Db::rollback();
+            $output->writeln("Error: " . $e->getMessage());
+            Log::error("FixInquiryLogOrderNo command failed: " . $e->getMessage());
+            return self::FAILURE;
+        }
+    }
+}