diff --git a/Color/ColorBlender.v b/Color/ColorBlender.sv
similarity index 100%
rename from Color/ColorBlender.v
rename to Color/ColorBlender.sv
diff --git a/Color/GammaCorrection.v b/Color/GammaCorrection.sv
similarity index 100%
rename from Color/GammaCorrection.v
rename to Color/GammaCorrection.sv
diff --git a/Color/GammaCorrection2.v b/Color/GammaCorrection2.sv
similarity index 100%
rename from Color/GammaCorrection2.v
rename to Color/GammaCorrection2.sv
diff --git a/Color/SaturationCorrection.v b/Color/SaturationCorrection.sv
similarity index 100%
rename from Color/SaturationCorrection.v
rename to Color/SaturationCorrection.sv
diff --git a/Color/WhiteBalance.sv b/Color/WhiteBalance.sv
new file mode 100644
index 0000000..5505f5e
--- /dev/null
+++ b/Color/WhiteBalance.sv
@@ -0,0 +1,39 @@
+`timescale 1ns / 1ps
+
+// 三通道图像合成一个RGB图像
+module WhiteBalance #(
+    parameter reg [4:0] IN_DEPTH  = 12,  // 输入图像的色深
+    parameter reg [4:0] OUT_DEPTH = 8,   // 输出图像的色深
+    parameter reg [8:0] BUFF_SIZE = 32
+) (
+    input wire clk,
+    input wire reset,
+
+    input wire in_en,
+    input wire [15:0] in_data[3],  // 0:R 1:G 2:B
+    output wire out_ready,
+    output wire out_receive,
+
+    // 输出相关
+    input wire in_ready,
+    input wire in_receive,
+    output reg out_en,
+    output reg [OUT_DEPTH - 1:0] out_data[3],
+
+    input wire enable,
+    input wire [8:0] flame_rate
+);
+
+  assign out_ready = (!reset) ? 1 : 0;
+  assign out_receive = (in_en && !reset) ? 1 : 0;
+
+  DiffWidthSyncFIFO #(
+
+  )
+
+  always @(posedge clk) begin
+    if(reset) begin
+    end
+  end
+
+endmodule
diff --git a/Color/WhiteBalance.v b/Color/WhiteBalance.v
deleted file mode 100644
index 259c85f..0000000
--- a/Color/WhiteBalance.v
+++ /dev/null
@@ -1,94 +0,0 @@
-`timescale 1ns / 1ps
-
-// 三通道图像合成一个RGB图像
-module WhiteBalance #(
-    parameter reg [4:0] IN_DEPTH  = 12,  // 输入图像的色深
-    parameter reg [4:0] OUT_DEPTH = 8,   // 输出图像的色深
-    parameter reg [8:0] BUFF_SIZE = 32
-) (
-    input wire clk,
-    input wire reset,
-
-    input wire in_en,
-    input wire [15:0] in_data[3],  // 0:R 1:G 2:B
-    output wire out_ready,
-    output wire out_receive,
-
-    // 输出相关
-    input wire in_ready,
-    input wire in_receive,
-    output reg out_en,
-    output reg [OUT_DEPTH - 1:0] out_data[3]
-
-);
-  localparam reg [2:0] READ_DATA = 0;
-  localparam reg [2:0] CALC_DATA = 1;
-  localparam reg [2:0] SATI_DATA = 2;
-  localparam reg [2:0] SEND_DATA = 3;
-
-  reg [2:0] state, nextState;
-  reg [BUFF_SIZE - 1:0] data_cal[3];  // 用于保存运算结果，防止溢出
-
-  always @(posedge clk or posedge reset) begin
-    if (reset) begin
-      state <= READ_DATA;
-    end else begin
-      state <= nextState;
-    end
-  end
-
-  always @(*) begin
-    case (state)
-      READ_DATA: nextState = (in_en) ? CALC_DATA : READ_DATA;
-      CALC_DATA: nextState = SATI_DATA;
-      SATI_DATA: nextState = SEND_DATA;
-      SEND_DATA: nextState = (in_receive) ? READ_DATA : SEND_DATA;
-      default:   nextState = READ_DATA;
-    endcase
-  end
-
-  assign out_ready   = (!in_en && state == READ_DATA) ? 1 : 0;
-  assign out_receive = (in_en && state == READ_DATA) ? 1 : 0;
-
-  always @(posedge clk or posedge reset) begin
-    if (reset) begin
-      // 初始化
-      data_cal[0] <= 0;
-      data_cal[1] <= 0;
-      data_cal[2] <= 0;
-
-      out_data[0] <= 0;
-      out_data[1] <= 0;
-      out_data[2] <= 0;
-      out_en <= 0;
-    end else begin
-      case (state)
-        READ_DATA: begin
-          if (in_en) begin
-
-          end
-        end
-
-        CALC_DATA: begin
-          if (enable) begin
-
-          end
-        end
-
-        SATI_DATA: begin
-
-        end
-
-        SEND_DATA: begin
-          if (in_ready && !in_receive) begin
-            out_en <= 1;
-
-          end else out_en <= 0;
-        end
-
-        default: ;
-      endcase
-    end
-  end
-
-endmodule
diff --git a/Demosaic/Demosaic2.v b/Demosaic/Demosaic2.sv
similarity index 100%
rename from Demosaic/Demosaic2.v
rename to Demosaic/Demosaic2.sv
diff --git a/RAM/DiffWidthSyncFIFO.v b/RAM/DiffWidthSyncFIFO.sv
similarity index 100%
rename from RAM/DiffWidthSyncFIFO.v
rename to RAM/DiffWidthSyncFIFO.sv
diff --git a/isp.v b/isp.sv
similarity index 100%
rename from isp.v
rename to isp.sv
diff --git a/sim/Makefile b/sim/Makefile
index 050454e..eabb5aa 100644
--- a/sim/Makefile
+++ b/sim/Makefile
@@ -56,7 +56,7 @@ VERILATOR_FLAGS += --threads 14
 TOP_MODULE = isp
 VERILATOR_FLAGS += -top $(TOP_MODULE)
 # Input files for Verilator
-VERILATOR_INPUT = ../isp.v *.cpp ../Demosaic/Demosaic2.v ../Crop/*.v ../Color/*.v ../RAM/*.v
+VERILATOR_INPUT = ../isp.sv *.cpp ../Demosaic/Demosaic2.sv ../Crop/*.sv ../Color/*.sv ../RAM/*.sv
 
 # Check if SC exists via a verilator call (empty if not)
 SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)