diff --git a/src/type.jl b/src/type.jl
index c56e313..1f38371 100644
--- a/src/type.jl
+++ b/src/type.jl
@@ -270,7 +270,7 @@ function kfn_1(params::Dict; device=cpu)
     kfn.alif_avth = (similar(kfn.alif_wRec) .= 0)                        |> device
     kfn.alif_a = (similar(kfn.alif_wRec) .= 0)                           |> device
     kfn.alif_beta = (similar(kfn.alif_wRec) .= 0.07)                     |> device
-    kfn.alif_tau_a = 100.0
+    kfn.alif_tau_a = 800.0
     kfn.alif_rho = (similar(kfn.alif_wRec) .= (exp(-kfn.alif_delta / kfn.alif_tau_a)))     |> device
     # kfn.alif_phi_x_epsilonRec = (similar(kfn.alif_wRec) .= 0)                    |> device
     # kfn.alif_phi_x_beta = (similar(kfn.alif_wRec) .= 0)                           |> device
@@ -285,7 +285,7 @@ function kfn_1(params::Dict; device=cpu)
 
     # subscription
     w = zeros(row, col, n)
-    synapticConnectionPercent = kfn.params[:computeNeuron][:lif][:params][:synapticConnectionPercent]
+    synapticConnectionPercent = kfn.params[:outputPort][:params][:synapticConnectionPercent]
     synapticConnection = Int(floor(row*col * synapticConnectionPercent/100))
     for slice in eachslice(w, dims=3)
         pool = shuffle!([1:row*col...])[1:synapticConnection]
@@ -319,58 +319,8 @@ function kfn_1(params::Dict; device=cpu)
     kfn.on_arrayProjection4d = (similar(kfn.on_wOut) .= 1)      |> device
     kfn.on_recSignal = (similar(kfn.on_wOut) .= 0)                  |> device
 
-    
-
     kfn.outputError = zeros(n, batch)                     |> device
 
-
-
-
-    # kfn.on_decayed_epsilonRec = (similar(kfn.on_wOut) .= 0         |> device
-    # kfn.on_vt_diff_vth = (similar(kfn.on_wOut) .= 0                |> device
-    # kfn.on_vt_diff_vth_div_vth = (similar(kfn.on_wOut) .= 0        |> device
-    # kfn.on_gammaPd_div_vth = (similar(kfn.on_wOut) .= 0             |> device
-    # kfn.on_phiActivation = (similar(kfn.on_wOut) .= 0               |> device
-
-    # kfn.on_zit = zeros(row, col, n, batch)                      |> device
-    # kfn.on_vt = zeros(1, 1, n, batch)                          |> device
-    # kfn.on_vth = ones(1, 1, n, batch)                           |> device
-    # kfn.on_vRest = zeros(1, 1, n, batch)                        |> device
-    # # kfn.on_zt = zeros(1, 1, n, batch)                          |> device
-    # kfn.on_zt4d = zeros(1, 1, n, batch)                          |> device
-    # kfn.on_refractoryCounter = zeros(1, 1, n, batch)            |> device
-    # kfn.on_refractoryDuration = ones(1, 1, n, batch) .* 0       |> device
-    # kfn.on_delta = 1.0                         
-    # kfn.on_tau_m = 20.0  
-    # kfn.on_alpha = ones(1, 1, n, batch) .* (exp(-kfn.on_delta / kfn.on_tau_m))  |> device
-    # kfn.on_phi = zeros(1, 1, n, batch)                          |> device
-    # kfn.on_epsilonRec = zeros(row, col, n, batch)               |> device
-    # # kfn.on_eRec = zeros(row, col, n, batch)
-    # kfn.on_eta = zeros(1, 1, n, batch)                          |> device
-    # kfn.on_gammaPd = zeros(1, 1, n, batch) .* 0.3               |> device
-    # kfn.on_wOutChange = zeros(row, col, n, batch)               |> device
-    # # kfn.on_b = randn(1, 1, n, batch)                            |> device
-    # # kfn.on_bChange = randn(1, 1, n, batch)                      |> device
-
-    # kfn.on_firingCounter = zeros(1, 1, n, batch)                |> device
-    # kfn.on_arraySize = [row, col, n, batch]                    |> device
-    # kfn.on_arrayProjection4d = ones(row, col, n, batch)    |> device
-
-    # # subscription
-    # w = zeros(row, col, n)
-    # synapticConnectionPercent = kfn.params[:outputPort][:params][:synapticConnectionPercent]
-    # synapticConnection = Int(floor(row*col * synapticConnectionPercent/100))
-    # for slice in eachslice(w, dims=3)
-    #     pool = shuffle!([1:row*col...])[1:synapticConnection]
-    #     for i in pool
-    #         slice[i] = randn()/10   # assign weight to synaptic connection
-    #     end
-    # end
-    # # project 3D w into 4D kfn.on_wOut
-    # kfn.on_wOut = reshape(w, (row, col, n, 1)) .* ones(row, col, n, batch)  |> device
-    
-
-
     return kfn
 end