diff --git a/Context/CoroutineContext.php b/Context/CoroutineContext.php
index 4a00913..625de54 100644
--- a/Context/CoroutineContext.php
+++ b/Context/CoroutineContext.php
@@ -14,7 +14,7 @@ class CoroutineContext implements ContextInterface
      */
     public static function inCoroutine(): bool
     {
-        return true;
+        return Coroutine::getCid() > -1;
     }
 
 
@@ -26,11 +26,7 @@ class CoroutineContext implements ContextInterface
      */
     public static function set(string $key, mixed $value, ?int $coroutineId = null): mixed
     {
-        // TODO: Implement set() method.
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
-        }
-        return Coroutine::getContext($coroutineId)[$key] = $value;
+        return Coroutine::getContext()[$key] = $value;
     }
 
     /**
@@ -41,11 +37,7 @@ class CoroutineContext implements ContextInterface
      */
     public static function get(string $key, mixed $defaultValue = null, ?int $coroutineId = null): mixed
     {
-        // TODO: Implement get() method.
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
-        }
-        return Coroutine::getContext($coroutineId)[$key] ?? $defaultValue;
+        return Coroutine::getContext()[$key] ?? $defaultValue;
     }
 
     /**
@@ -55,11 +47,7 @@ class CoroutineContext implements ContextInterface
      */
     public static function exists(string $key, ?int $coroutineId = null): bool
     {
-        // TODO: Implement exists() method.
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
-        }
-        return isset(Coroutine::getContext($coroutineId)[$key]);
+        return isset(Coroutine::getContext()[$key]);
     }
 
     /**
@@ -69,12 +57,8 @@ class CoroutineContext implements ContextInterface
      */
     public static function remove(string $key, ?int $coroutineId = null): void
     {
-        // TODO: Implement remove() method.
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
-        }
-        Coroutine::getContext($coroutineId)[$key] = null;
-        unset(Coroutine::getContext($coroutineId)[$key]);
+        Coroutine::getContext()[$key] = null;
+        unset(Coroutine::getContext()[$key]);
     }
 
 
@@ -86,13 +70,10 @@ class CoroutineContext implements ContextInterface
      */
     public static function increment(string $id, int $value = 1, ?int $coroutineId = null): int
     {
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
+        if (!isset(Coroutine::getContext()[$id])) {
+            Coroutine::getContext()[$id] = 0;
         }
-        if (!isset(Coroutine::getContext($coroutineId)[$id])) {
-            Coroutine::getContext($coroutineId)[$id] = 0;
-        }
-        return Coroutine::getContext($coroutineId)[$id] += $value;
+        return Coroutine::getContext()[$id] += $value;
     }
 
     /**
@@ -103,12 +84,9 @@ class CoroutineContext implements ContextInterface
      */
     public static function decrement(string $id, int $value = 1, ?int $coroutineId = null): int
     {
-        if (is_null($coroutineId)) {
-            $coroutineId = Coroutine::getCid();
+        if (!isset(Coroutine::getContext()[$id])) {
+            Coroutine::getContext()[$id] = 0;
         }
-        if (!isset(Coroutine::getContext($coroutineId)[$id])) {
-            Coroutine::getContext($coroutineId)[$id] = 0;
-        }
-        return Coroutine::getContext($coroutineId)[$id] -= $value;
+        return Coroutine::getContext()[$id] -= $value;
     }
 }