完善app设备图标查询（版本号）

AdminController/DeviceManagementController.py

@@ -455,20 +455,25 @@ class DeviceManagement(View):
 
         if not all([lang, app_bundle_id, version_number]):
             return response.json(444)
-        version_number_qs = AppVersionNumber.objects.values('version_number')
-        test_list = [item[key] for item in version_number_qs for key in item]
-        if (version_number > test_list[-1] or version_number < test_list[0]):
-            version_number_qs = AppVersionNumber.objects.filter().values('id').order_by('id')
-            total_list = [item[key] for item in version_number_qs for key in item]
-            version_number_id = total_list[-1]
+        version_number_qs = AppVersionNumber.objects.filter(version_number=version_number)
+        if not version_number_qs.exists():
+            version_number_qs = AppVersionNumber.objects.values('version_number')
+            test_list = [item[key] for item in version_number_qs for key in item]
+            if (version_number > test_list[-1] or version_number < test_list[0]):
+                version_number_qs = AppVersionNumber.objects.filter().values('id').order_by('id')
+                total_list = [item[key] for item in version_number_qs for key in item]
+                version_number_id = total_list[-1]
+            else:
+                pos = bisect_left(test_list, version_number)
+                if pos == 0:
+                    return test_list[0]
+                if pos == len(test_list):
+                    return test_list[-1]
+                before = test_list[pos - 1]
+                version_number_qs = AppVersionNumber.objects.filter(version_number=before).values('id')
+                version_number_id = version_number_qs[0]['id']
         else:
-            pos = bisect_left(test_list, version_number)
-            if pos == 0:
-                return test_list[0]
-            if pos == len(test_list):
-                return test_list[-1]
-            before = test_list[pos - 1]
-            version_number_qs = AppVersionNumber.objects.filter(version_number=before).values('id')
+            version_number_qs = AppVersionNumber.objects.filter(version_number=version_number).values('id')
             version_number_id = version_number_qs[0]['id']
         try: