diff --git a/Color/GreyWorld.sv b/Color/GreyWorld.sv
index 2bf8951..1a8fb21 100644
--- a/Color/GreyWorld.sv
+++ b/Color/GreyWorld.sv
@@ -32,10 +32,10 @@ module GreyWorld #(
   localparam reg [2:0] SEND_DATA = 2;
 
   reg [8:0] cnt_flame;
-  reg [31:0] red_total, green_total, blue_total, r_white_gain[3];
+  reg [47:0] red_total, green_total, blue_total, r_white_gain[3];
   reg [31:0] data_cal[3], data_cache[3];
   reg  [31:0] cnt_pexels;
-  wire [31:0] average;
+  wire [47:0] average;
 
   always @(posedge clk) begin
     if (reset) state <= READ_DATA;
@@ -63,9 +63,9 @@ module GreyWorld #(
       blue_total <= 0;
       cnt_flame <= flame_rate;
       cnt_pexels <= 0;
-      r_white_gain[0] <= white_gain[0];
-      r_white_gain[1] <= white_gain[1];
-      r_white_gain[2] <= white_gain[2];
+      r_white_gain[0] <= {16'b0, white_gain[0] };
+      r_white_gain[1] <= {16'b0, white_gain[1] };
+      r_white_gain[2] <= {16'b0, white_gain[2] };
       data_cache[0] <= 0;
       data_cache[1] <= 0;
       data_cache[2] <= 0;
@@ -83,12 +83,12 @@ module GreyWorld #(
             data_cache[2] <= {24'b0, in_data[2]};
 
             if (cnt_flame == flame_rate) begin
-              red_total   <= red_total + {24'b0, in_data[0]};
-              green_total <= green_total + {24'b0, in_data[0]};
-              blue_total  <= blue_total + {24'b0, in_data[0]};
+              red_total   <= red_total + {40'b0, in_data[0]};
+              green_total <= green_total + {40'b0, in_data[1]};
+              blue_total  <= blue_total + {40'b0, in_data[2]};
             end
 
-            if (cnt_pexels < IM_SIZE) begin
+            if (cnt_pexels <= IM_SIZE) begin
               cnt_pexels <= cnt_pexels + 1;
             end else begin
               cnt_pexels <= 0;
@@ -100,14 +100,14 @@ module GreyWorld #(
 
         CALC_DATA: begin
           if (cnt_pexels >= IM_SIZE && cnt_flame == flame_rate) begin
-            r_white_gain[0] <= (average * ( IM_SIZE << 8 )) / red_total;
-            r_white_gain[1] <= (average * ( IM_SIZE << 8)) / green_total;
-            r_white_gain[2] <= (average * ( IM_SIZE << 8)) / blue_total;
+            r_white_gain[0] <= (average * IM_SIZE) / red_total;
+            r_white_gain[1] <= (average * IM_SIZE) / green_total;
+            r_white_gain[2] <= (average * IM_SIZE) / blue_total;
           end
 
-          data_cal[0] <= (data_cache[0] * r_white_gain[0]);
-          data_cal[1] <= (data_cache[1] * r_white_gain[1]);
-          data_cal[2] <= (data_cache[2] * r_white_gain[2]);
+          data_cal[0] <= (data_cache[0] * r_white_gain[0][31:0]);
+          data_cal[1] <= (data_cache[1] * r_white_gain[1][31:0]);
+          data_cal[2] <= (data_cache[2] * r_white_gain[2][31:0]);
         end
 
         SEND_DATA: begin
diff --git a/Crop/Crop.sv b/Crop/Crop.sv
index c17d86a..8ee80c1 100644
--- a/Crop/Crop.sv
+++ b/Crop/Crop.sv
@@ -1,8 +1,8 @@
 module Crop #(
     parameter reg [15:0] IN_WIDTH = 1934,
     parameter reg [15:0] IN_HEIGHT = 1086,
-    parameter reg [15:0] OFFSET_X = 8,
-    parameter reg [15:0] OFFSET_Y = 4,
+    parameter reg [15:0] OFFSET_X = 7,
+    parameter reg [15:0] OFFSET_Y = 3,
     parameter reg [15:0] OUT_WIDTH = 640,
     parameter reg [15:0] OUT_HEIGHT = 480,
     parameter reg [4:0] COLOR_DEPTH = 8
@@ -79,15 +79,15 @@ module Crop #(
           end else begin
             cnt_x <= cnt_x + 1;
           end
-
-          if (cnt_y >= IN_HEIGHT - 1) begin
-            cnt_y <= 0;
-          end
         end
 
         SEND_DATA: begin
+          if (cnt_y >= IN_HEIGHT) begin
+            cnt_y <= 0;
+          end
+
           if (in_ready && !in_receive && is_valid) begin
-            out_en   <= 1;
+            out_en <= 1;
             out_data[0] <= data[0];
             out_data[1] <= data[1];
             out_data[2] <= data[2];
diff --git a/sim/sc_main.cpp b/sim/sc_main.cpp
index 8a7e0f6..fe93142 100644
--- a/sim/sc_main.cpp
+++ b/sim/sc_main.cpp
@@ -38,7 +38,7 @@ struct color_gain {
 
 static const double gamma_value = 2.2;
 static const double saturation_inc = 0.5;
-static const double white_radio = 0.1;
+// static const double white_radio = 0.1;
 
 using namespace sc_core;
 using namespace sc_dt;