diff --git a/src/components/card/characterInfoCard.tsx b/src/components/card/characterInfoCard.tsx
index 24f0d5b..9e0780d 100644
--- a/src/components/card/characterInfoCard.tsx
+++ b/src/components/card/characterInfoCard.tsx
@@ -93,7 +93,7 @@ export default function CharacterInfoCard({ character, selectedCharacters, onCha
             )}
 
             {/* Light Cone */}
-            {character.lightcone.item_id && (
+            {character.lightcone.item_id !== 0 && (
                 <div className="">
                     <div className="rounded-lg h-42 flex items-center justify-center">
                         <Image
diff --git a/src/types/srtools.ts b/src/types/srtools.ts
index 1db5ecb..6ca1ed9 100644
--- a/src/types/srtools.ts
+++ b/src/types/srtools.ts
@@ -25,11 +25,11 @@ export interface LightconeJson {
 export interface AvatarData {
     rank: number,
     skills: Record<string, number>
-    skills_by_anchor_type?: Record<string,number>
+    skills_by_anchor_type?: Record<string, number> | null;
 }
 
 export interface AvatarJson {
-    owner_uid?: number;
+    owner_uid?: number | null;
     avatar_id: number;
     data: AvatarData;
     level: number;
@@ -37,12 +37,12 @@ export interface AvatarJson {
     techniques: number[];
     sp_value: number;
     sp_max: number;
-    enhanced_id?: number;
+    enhanced_id?: number | null;
 }
 export interface MonsterJson {
     monster_id: number;
     level: number;
-    amount: number;
+    amount?: number | null;
 }
 
 export interface DynamicKeyJson {
@@ -53,7 +53,7 @@ export interface DynamicKeyJson {
 export interface BattleBuffJson {
     level: number;
     id: number;
-    dynamic_key?: DynamicKeyJson;
+    dynamic_key?: DynamicKeyJson | null;
 }
 
 export interface BattleConfigJson {
@@ -71,12 +71,12 @@ type LoadoutJson = {
     relic_list: string[]
 }
 export interface FreeSRJson {
-    key?: string;
+    key?: string | null;
     lightcones: LightconeJson[];
     relics: RelicJson[];
     avatars: Record<string, AvatarJson>;
     battle_config: BattleConfigJson;
-    loadout?: LoadoutJson[];
+    loadout?: LoadoutJson[] | null;
 }
 
 
diff --git a/src/zod/srtools.zod.ts b/src/zod/srtools.zod.ts
index a024dde..39e8a04 100644
--- a/src/zod/srtools.zod.ts
+++ b/src/zod/srtools.zod.ts
@@ -29,11 +29,11 @@ export const lightconeJsonSchema = z.object({
 export const avatarDataSchema = z.object({
     rank: z.number(),
     skills: z.record(z.string(), z.number()),
-    skills_by_anchor_type: z.record(z.string(), z.number()).optional()
+    skills_by_anchor_type: z.record(z.string(), z.number()).nullish()
 });
 
 export const avatarJsonSchema = z.object({
-    owner_uid: z.number().optional(),
+    owner_uid: z.number().nullish(),
     avatar_id: z.number(),
     data: avatarDataSchema,
     level: z.number(),
@@ -41,13 +41,13 @@ export const avatarJsonSchema = z.object({
     techniques: z.array(z.number()),
     sp_value: z.number(),
     sp_max: z.number(),
-    enhanced_id: z.number().optional()
+    enhanced_id: z.number().nullish()
 });
 
 export const monsterJsonSchema = z.object({
     monster_id: z.number(),
     level: z.number(),
-    amount: z.number()
+    amount: z.number().nullish()
 });
 
 export const dynamicKeyJsonSchema = z.object({
@@ -58,7 +58,7 @@ export const dynamicKeyJsonSchema = z.object({
 export const battleBuffJsonSchema = z.object({
     level: z.number(),
     id: z.number(),
-    dynamic_key: dynamicKeyJsonSchema.optional()
+    dynamic_key: dynamicKeyJsonSchema.nullish()
 });
 
 export const battleConfigJsonSchema = z.object({
@@ -78,12 +78,12 @@ const loadoutJsonSchema = z.object({
 });
 
 export const freeSrJsonSchema = z.object({
-    key: z.string().optional(),
+    key: z.string().nullish(),
     lightcones: z.array(lightconeJsonSchema),
     relics: z.array(relicJsonSchema),
     avatars: z.record(z.string(), avatarJsonSchema),
     battle_config: battleConfigJsonSchema,
-    loadout: z.array(loadoutJsonSchema).optional()
+    loadout: z.array(loadoutJsonSchema).nullish()
 });
 
 const extraDataSchema = z.any();
@@ -91,5 +91,5 @@ const extraDataSchema = z.any();
 export const psResponseSchema = z.object({
     status: z.number(),
     message: z.string(),
-    extra_data: extraDataSchema.optional()
+    extra_data: extraDataSchema.nullish()
 });