diff --git a/app/api/endpoints/subscribe.py b/app/api/endpoints/subscribe.py
index 08d780b4..8de1174c 100644
--- a/app/api/endpoints/subscribe.py
+++ b/app/api/endpoints/subscribe.py
@@ -42,7 +42,10 @@ def read_subscribes(
     subscribes = Subscribe.list(db)
     for subscribe in subscribes:
         if subscribe.sites:
-            subscribe.sites = json.loads(str(subscribe.sites))
+            try:
+                subscribe.sites = json.loads(str(subscribe.sites))
+            except json.JSONDecodeError:
+                subscribe.sites = []
         else:
             subscribe.sites = []
     return subscribes
@@ -168,7 +171,10 @@ def subscribe_mediaid(
             meta.begin_season = season
         result = Subscribe.get_by_title(db, title=meta.name, season=meta.begin_season)
     if result and result.sites:
-        result.sites = json.loads(result.sites)
+        try:
+            result.sites = json.loads(result.sites)
+        except json.JSONDecodeError:
+            result.sites = []
 
     return result if result else Subscribe()
 
@@ -322,7 +328,10 @@ def read_subscribe(
     historys = SubscribeHistory.list_by_type(db, mtype=mtype, page=page, count=count)
     for history in historys:
         if history and history.sites:
-            history.sites = json.loads(history.sites)
+            try:
+                history.sites = json.loads(history.sites)
+            except json.JSONDecodeError:
+                history.sites = []
     return historys
 
 
@@ -396,7 +405,10 @@ def read_subscribe(
         return Subscribe()
     subscribe = Subscribe.get(db, subscribe_id)
     if subscribe and subscribe.sites:
-        subscribe.sites = json.loads(subscribe.sites)
+        try:
+            subscribe.sites = json.loads(subscribe.sites)
+        except json.JSONDecodeError:
+            subscribe.sites = []
     return subscribe
 
 
diff --git a/app/chain/subscribe.py b/app/chain/subscribe.py
index ea5490a4..9b919369 100644
--- a/app/chain/subscribe.py
+++ b/app/chain/subscribe.py
@@ -2,6 +2,7 @@ import json
 import random
 import time
 from datetime import datetime
+from json import JSONDecodeError
 from typing import Dict, List, Optional, Union, Tuple
 
 from app.chain import ChainBase
@@ -459,7 +460,10 @@ class SubscribeChain(ChainBase):
         获取订阅中涉及的站点清单
         """
         if subscribe.sites:
-            return json.loads(subscribe.sites)
+            try:
+                return json.loads(subscribe.sites)
+            except JSONDecodeError:
+                return []
         # 默认站点
         return self.systemconfig.get(SystemConfigKey.RssSites) or []
 
@@ -780,7 +784,10 @@ class SubscribeChain(ChainBase):
             return
         note = []
         if subscribe.note:
-            note = json.loads(subscribe.note)
+            try:
+                note = json.loads(subscribe.note)
+            except JSONDecodeError:
+                note = []
         for context in downloads:
             meta = context.meta_info
             mediainfo = context.media_info
@@ -811,7 +818,10 @@ class SubscribeChain(ChainBase):
             return False
         if not episodes:
             return False
-        note = json.loads(subscribe.note)
+        try:
+            note = json.loads(subscribe.note)
+        except JSONDecodeError:
+            return False
         if set(episodes).issubset(set(note)):
             return True
         return False
@@ -1023,7 +1033,10 @@ class SubscribeChain(ChainBase):
         for subscribe in self.subscribeoper.list():
             if not subscribe.sites:
                 continue
-            sites = json.loads(subscribe.sites) or []
+            try:
+                sites = json.loads(subscribe.sites)
+            except JSONDecodeError:
+                sites = []
             if site_id not in sites:
                 continue
             sites.remove(site_id)