diff --git a/astrbot/core/star/context.py b/astrbot/core/star/context.py
index 0beac12e..9db1da12 100644
--- a/astrbot/core/star/context.py
+++ b/astrbot/core/star/context.py
@@ -151,8 +151,7 @@ class Context:
         if umo and self._config["provider_settings"]["separate_provider"]:
             perf = sp.get("session_provider_perf", {})
             prov_id = perf.get(umo, {}).get(ProviderType.CHAT_COMPLETION.value, None)
-            inst = self.provider_manager.inst_map.get(prov_id, None)
-            if inst:
+            if inst := self.provider_manager.inst_map.get(prov_id, None):
                 return inst
         return self.provider_manager.curr_provider_inst
 
@@ -166,8 +165,7 @@ class Context:
         if umo and self._config["provider_settings"]["separate_provider"]:
             perf = sp.get("session_provider_perf", {})
             prov_id = perf.get(umo, {}).get(ProviderType.TEXT_TO_SPEECH.value, None)
-            inst = self.provider_manager.inst_map.get(prov_id, None)
-            if inst:
+            if inst := self.provider_manager.inst_map.get(prov_id, None):
                 return inst
         return self.provider_manager.curr_tts_provider_inst
 
@@ -181,8 +179,7 @@ class Context:
         if umo and self._config["provider_settings"]["separate_provider"]:
             perf = sp.get("session_provider_perf", {})
             prov_id = perf.get(umo, {}).get(ProviderType.TEXT_TO_SPEECH.value, None)
-            inst = self.provider_manager.inst_map.get(prov_id, None)
-            if inst:
+            if inst := self.provider_manager.inst_map.get(prov_id, None):
                 return inst
         return self.provider_manager.curr_stt_provider_inst