diff --git a/apps/dobodbi_calendar/migrations/0002_alter_calendaroccasions_title.py b/apps/dobodbi_calendar/migrations/0002_alter_calendaroccasions_title.py
index 9f1efef..3a38fc9 100644
--- a/apps/dobodbi_calendar/migrations/0002_alter_calendaroccasions_title.py
+++ b/apps/dobodbi_calendar/migrations/0002_alter_calendaroccasions_title.py
@@ -1,8 +1,53 @@
 # Generated by Django 4.2.30 on 2026-07-19 12:21
 
+import json
 from django.db import migrations, models
 
 
+def convert_titles_to_json(apps, schema_editor):
+    CalendarOccasions = apps.get_model('dobodbi_calendar', 'CalendarOccasions')
+    for occasion in CalendarOccasions.objects.all():
+        title_str = occasion.title
+        if not title_str:
+            occasion.title = '[]'
+            occasion.save()
+            continue
+        
+        # Check if it's already a valid JSON list/dict
+        try:
+            parsed = json.loads(title_str)
+            if isinstance(parsed, (list, dict)):
+                # Already valid JSON
+                continue
+        except Exception:
+            pass
+            
+        # Convert plain text to JSON list
+        new_title = [{"language_code": "fa", "title": title_str}]
+        occasion.title = json.dumps(new_title, ensure_ascii=False)
+        occasion.save()
+
+
+def convert_json_to_titles(apps, schema_editor):
+    CalendarOccasions = apps.get_model('dobodbi_calendar', 'CalendarOccasions')
+    for occasion in CalendarOccasions.objects.all():
+        title_str = occasion.title
+        try:
+            parsed = json.loads(title_str)
+            if isinstance(parsed, list) and len(parsed) > 0:
+                # Try English first, then fallback
+                val = ""
+                for item in parsed:
+                    if isinstance(item, dict):
+                        val = item.get("title") or item.get("text") or val
+                        if item.get("language_code") == "en":
+                            break
+                occasion.title = val
+                occasion.save()
+        except Exception:
+            pass
+
+
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -10,6 +55,7 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
+        migrations.RunPython(convert_titles_to_json, convert_json_to_titles),
         migrations.AlterField(
             model_name='calendaroccasions',
             name='title',
diff --git a/apps/hadis/serializers/serializers_admin.py b/apps/hadis/serializers/serializers_admin.py
index 7696bee..b94ed0e 100644
--- a/apps/hadis/serializers/serializers_admin.py
+++ b/apps/hadis/serializers/serializers_admin.py
@@ -128,7 +128,15 @@ class AdminHadisCollectionSerializer(serializers.ModelSerializer):
         read_only_fields = ["id", "created_at", "updated_at"]
 
     def to_internal_value(self, data):
+        import json
         mutable_data = safe_copy_data(data)
+        for json_field in ["title", "summary"]:
+            val = mutable_data.get(json_field)
+            if isinstance(val, str):
+                try:
+                    mutable_data[json_field] = json.loads(val)
+                except ValueError:
+                    pass
         thumbnail = mutable_data.get("thumbnail") if hasattr(mutable_data, "get") else None
         if thumbnail and hasattr(thumbnail, "read"):
             compressed_bytes = maybe_compress_uploaded_file(thumbnail)
@@ -600,6 +608,18 @@ class AdminHadisCategoryArchiveSerializer(serializers.ModelSerializer):
         ]
         read_only_fields = ["id", "share_link", "xmind_share_link"]
 
+    def to_internal_value(self, data):
+        import json
+        data = safe_copy_data(data)
+        for json_field in ["title", "description"]:
+            val = data.get(json_field)
+            if isinstance(val, str):
+                try:
+                    data[json_field] = json.loads(val)
+                except ValueError:
+                    pass
+        return super().to_internal_value(data)
+
     def create(self, validated_data):
         validated_data.pop("remove_xmind_file", False)
         return super().create(validated_data)
@@ -715,6 +735,27 @@ class AdminTransmitterDetailSerializer(serializers.ModelSerializer):
         ]
         read_only_fields = ["id", "slug", "share_link", "created_at", "updated_at", "reliability_detail"]
 
+    def to_internal_value(self, data):
+        import json
+        data = safe_copy_data(data)
+        for json_field in [
+            "full_name",
+            "kunya",
+            "known_as",
+            "nickname",
+            "origin",
+            "lived_in",
+            "died_in",
+            "description",
+        ]:
+            val = data.get(json_field)
+            if isinstance(val, str):
+                try:
+                    data[json_field] = json.loads(val)
+                except ValueError:
+                    pass
+        return super().to_internal_value(data)
+
     def update(self, instance, validated_data):
         remove_thumbnail = validated_data.pop("remove_thumbnail", False)
         if remove_thumbnail and instance.thumbnail:
diff --git a/apps/library/serializers_admin.py b/apps/library/serializers_admin.py
index a98a036..7025282 100644
--- a/apps/library/serializers_admin.py
+++ b/apps/library/serializers_admin.py
@@ -192,6 +192,22 @@ class AdminBookDetailSerializer(serializers.ModelSerializer):
         ]
         read_only_fields = ["id", "view_count", "download_count", "bookmark_count", "created_at", "updated_at"]
 
+    def to_internal_value(self, data):
+        import json
+        if hasattr(data, "copy"):
+            mutable_data = data.copy()
+        else:
+            mutable_data = dict(data)
+
+        for json_field in ["main_themes", "notable_works"]:
+            val = mutable_data.get(json_field)
+            if isinstance(val, str):
+                try:
+                    mutable_data[json_field] = json.loads(val)
+                except ValueError:
+                    pass
+        return super().to_internal_value(mutable_data)
+
     def get_bookmark_count(self, obj):
         from apps.bookmark.models.bookmark import Bookmark
         return Bookmark.objects.filter(service=Bookmark.ServiceChoices.LIBRARY, content_id=obj.id, status=True).count()