diff --git a/pso/particle.py b/pso/particle.py
index 764c782..282cfaa 100644
--- a/pso/particle.py
+++ b/pso/particle.py
@@ -293,9 +293,8 @@ class Particle:
                 * r_0
                 * (self.best_weights - self.weights)
                 + global_rate
-                * Particle.g_best_score[1]
-                * r_1
-                * (best_particle_weights - self.weights)
+                # * Particle.g_best_score[1]
+                * r_1 * (best_particle_weights - self.weights)
             )
 
         if self.mutation != 0.0 and rng.random() < self.mutation:
@@ -310,9 +309,9 @@ class Particle:
         """
         가중치 업데이트
         """
-        new_w = np.add(self.weights, self.velocities)
+        self.weights = np.add(self.weights, self.velocities)
 
-        self.model.set_weights(self._decode(new_w))
+        self.model.set_weights(self.get_weights())
 
     def step(self, x, y, local_rate, global_rate, w, renewal: str = "acc"):
         """