diff --git a/mirai-core-api/src/commonMain/kotlin/internal/utils/StdoutLogger.kt b/mirai-core-api/src/commonMain/kotlin/internal/utils/StdoutLogger.kt
index 2b1f92f24..eea798cd5 100644
--- a/mirai-core-api/src/commonMain/kotlin/internal/utils/StdoutLogger.kt
+++ b/mirai-core-api/src/commonMain/kotlin/internal/utils/StdoutLogger.kt
@@ -102,7 +102,7 @@ internal open class StdoutLogger constructor(
         else debug(message.toString())
     }
 
-    protected open val timeFormat: DateFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.SIMPLIFIED_CHINESE)
+    protected open val timeFormat: DateFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault())
 
     private val currentTimeFormatted get() = timeFormat.format(Date())
 
diff --git a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
index 58b7a13b4..92c149e52 100644
--- a/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
+++ b/mirai-core-api/src/jvmMain/kotlin/utils/PlatformLogger.jvm.kt
@@ -106,7 +106,7 @@ public actual open class PlatformLogger constructor(  // same as StdoutLogger bu
         else debug(message.toString())
     }
 
-    protected open val timeFormat: DateFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.SIMPLIFIED_CHINESE)
+    protected open val timeFormat: DateFormat = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault())
 
     private val currentTimeFormatted get() = timeFormat.format(Date())