diff --git a/cmake-build-debug/Atop.cbp b/cmake-build-debug/Atop.cbp
index 71f361b..b6de077 100644
--- a/cmake-build-debug/Atop.cbp
+++ b/cmake-build-debug/Atop.cbp
@@ -95,10 +95,10 @@
 		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/SystemInfo.h">
 			<Option target="Atop"/>
 		</Unit>
-		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/init.c">
+		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/filter.c">
 			<Option target="Atop"/>
 		</Unit>
-		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/init.h">
+		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/filter.h">
 			<Option target="Atop"/>
 		</Unit>
 		<Unit filename="/cygdrive/c/Users/Iain/Desktop/vperf/src/server.c">
diff --git a/cmake-build-debug/CMakeFiles/Atop.dir/DependInfo.cmake b/cmake-build-debug/CMakeFiles/Atop.dir/DependInfo.cmake
index 6c69601..b64837d 100644
--- a/cmake-build-debug/CMakeFiles/Atop.dir/DependInfo.cmake
+++ b/cmake-build-debug/CMakeFiles/Atop.dir/DependInfo.cmake
@@ -8,7 +8,7 @@ set(CMAKE_DEPENDS_CHECK_C
   "/cygdrive/c/Users/Iain/Desktop/vperf/main.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/main.c.o"
   "/cygdrive/c/Users/Iain/Desktop/vperf/src/ProcessInfo.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/ProcessInfo.c.o"
   "/cygdrive/c/Users/Iain/Desktop/vperf/src/SystemInfo.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/SystemInfo.c.o"
-  "/cygdrive/c/Users/Iain/Desktop/vperf/src/init.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/init.c.o"
+  "/cygdrive/c/Users/Iain/Desktop/vperf/src/filter.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/filter.c.o"
   "/cygdrive/c/Users/Iain/Desktop/vperf/src/server.c" "/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/server.c.o"
   )
 set(CMAKE_C_COMPILER_ID "GNU")
diff --git a/cmake-build-debug/CMakeFiles/Atop.dir/build.make b/cmake-build-debug/CMakeFiles/Atop.dir/build.make
index 9ca6738..f13e99d 100644
--- a/cmake-build-debug/CMakeFiles/Atop.dir/build.make
+++ b/cmake-build-debug/CMakeFiles/Atop.dir/build.make
@@ -89,18 +89,18 @@ CMakeFiles/Atop.dir/main.c.s: cmake_force
 	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/main.c.s"
 	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /cygdrive/c/Users/Iain/Desktop/vperf/main.c -o CMakeFiles/Atop.dir/main.c.s
 
-CMakeFiles/Atop.dir/src/init.c.o: CMakeFiles/Atop.dir/flags.make
-CMakeFiles/Atop.dir/src/init.c.o: ../src/init.c
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_2) "Building C object CMakeFiles/Atop.dir/src/init.c.o"
-	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/init.c.o -c /cygdrive/c/Users/Iain/Desktop/vperf/src/init.c
+CMakeFiles/Atop.dir/src/filter.c.o: CMakeFiles/Atop.dir/flags.make
+CMakeFiles/Atop.dir/src/filter.c.o: ../src/filter.c
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/cygdrive/c/Users/Iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_2) "Building C object CMakeFiles/Atop.dir/src/filter.c.o"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/filter.c.o -c /cygdrive/c/Users/Iain/Desktop/vperf/src/filter.c
 
-CMakeFiles/Atop.dir/src/init.c.i: cmake_force
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Preprocessing C source to CMakeFiles/Atop.dir/src/init.c.i"
-	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -E /cygdrive/c/Users/Iain/Desktop/vperf/src/init.c > CMakeFiles/Atop.dir/src/init.c.i
+CMakeFiles/Atop.dir/src/filter.c.i: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Preprocessing C source to CMakeFiles/Atop.dir/src/filter.c.i"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -E /cygdrive/c/Users/Iain/Desktop/vperf/src/filter.c > CMakeFiles/Atop.dir/src/filter.c.i
 
-CMakeFiles/Atop.dir/src/init.c.s: cmake_force
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/init.c.s"
-	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /cygdrive/c/Users/Iain/Desktop/vperf/src/init.c -o CMakeFiles/Atop.dir/src/init.c.s
+CMakeFiles/Atop.dir/src/filter.c.s: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/filter.c.s"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /cygdrive/c/Users/Iain/Desktop/vperf/src/filter.c -o CMakeFiles/Atop.dir/src/filter.c.s
 
 CMakeFiles/Atop.dir/src/SystemInfo.c.o: CMakeFiles/Atop.dir/flags.make
 CMakeFiles/Atop.dir/src/SystemInfo.c.o: ../src/SystemInfo.c
@@ -157,7 +157,7 @@ CMakeFiles/Atop.dir/include/cJSON.c.s: cmake_force
 # Object files for target Atop
 Atop_OBJECTS = \
 "CMakeFiles/Atop.dir/main.c.o" \
-"CMakeFiles/Atop.dir/src/init.c.o" \
+"CMakeFiles/Atop.dir/src/filter.c.o" \
 "CMakeFiles/Atop.dir/src/SystemInfo.c.o" \
 "CMakeFiles/Atop.dir/src/ProcessInfo.c.o" \
 "CMakeFiles/Atop.dir/src/server.c.o" \
@@ -167,7 +167,7 @@ Atop_OBJECTS = \
 Atop_EXTERNAL_OBJECTS =
 
 Atop.exe: CMakeFiles/Atop.dir/main.c.o
-Atop.exe: CMakeFiles/Atop.dir/src/init.c.o
+Atop.exe: CMakeFiles/Atop.dir/src/filter.c.o
 Atop.exe: CMakeFiles/Atop.dir/src/SystemInfo.c.o
 Atop.exe: CMakeFiles/Atop.dir/src/ProcessInfo.c.o
 Atop.exe: CMakeFiles/Atop.dir/src/server.c.o
diff --git a/cmake-build-debug/CMakeFiles/Atop.dir/cmake_clean.cmake b/cmake-build-debug/CMakeFiles/Atop.dir/cmake_clean.cmake
index 9bcfb3d..4c026c4 100644
--- a/cmake-build-debug/CMakeFiles/Atop.dir/cmake_clean.cmake
+++ b/cmake-build-debug/CMakeFiles/Atop.dir/cmake_clean.cmake
@@ -5,7 +5,7 @@ file(REMOVE_RECURSE
   "CMakeFiles/Atop.dir/main.c.o"
   "CMakeFiles/Atop.dir/src/ProcessInfo.c.o"
   "CMakeFiles/Atop.dir/src/SystemInfo.c.o"
-  "CMakeFiles/Atop.dir/src/init.c.o"
+  "CMakeFiles/Atop.dir/src/filter.c.o"
   "CMakeFiles/Atop.dir/src/server.c.o"
   "libAtop.dll.a"
 )
diff --git a/cmake-build-debug/CMakeFiles/Atop.dir/link.txt b/cmake-build-debug/CMakeFiles/Atop.dir/link.txt
index 0e1f36a..af117dd 100644
--- a/cmake-build-debug/CMakeFiles/Atop.dir/link.txt
+++ b/cmake-build-debug/CMakeFiles/Atop.dir/link.txt
@@ -1 +1 @@
-/usr/bin/cc -g -Wl,--enable-auto-import CMakeFiles/Atop.dir/main.c.o CMakeFiles/Atop.dir/src/init.c.o CMakeFiles/Atop.dir/src/SystemInfo.c.o CMakeFiles/Atop.dir/src/ProcessInfo.c.o CMakeFiles/Atop.dir/src/server.c.o CMakeFiles/Atop.dir/include/cJSON.c.o -o Atop.exe -Wl,--out-implib,libAtop.dll.a -Wl,--major-image-version,0,--minor-image-version,0 
+/usr/bin/cc -g -Wl,--enable-auto-import CMakeFiles/Atop.dir/main.c.o CMakeFiles/Atop.dir/src/filter.c.o CMakeFiles/Atop.dir/src/SystemInfo.c.o CMakeFiles/Atop.dir/src/ProcessInfo.c.o CMakeFiles/Atop.dir/src/server.c.o CMakeFiles/Atop.dir/include/cJSON.c.o -o Atop.exe -Wl,--out-implib,libAtop.dll.a -Wl,--major-image-version,0,--minor-image-version,0 
diff --git a/cmake-build-debug/Makefile b/cmake-build-debug/Makefile
index a932ed5..3cdbdf0 100644
--- a/cmake-build-debug/Makefile
+++ b/cmake-build-debug/Makefile
@@ -250,32 +250,32 @@ src/SystemInfo.c.s:
 	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/SystemInfo.c.s
 .PHONY : src/SystemInfo.c.s
 
-src/init.o: src/init.c.o
+src/filter.o: src/filter.c.o
 
-.PHONY : src/init.o
+.PHONY : src/filter.o
 
 # target to build an object file
-src/init.c.o:
-	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/init.c.o
-.PHONY : src/init.c.o
+src/filter.c.o:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/filter.c.o
+.PHONY : src/filter.c.o
 
-src/init.i: src/init.c.i
+src/filter.i: src/filter.c.i
 
-.PHONY : src/init.i
+.PHONY : src/filter.i
 
 # target to preprocess a source file
-src/init.c.i:
-	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/init.c.i
-.PHONY : src/init.c.i
+src/filter.c.i:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/filter.c.i
+.PHONY : src/filter.c.i
 
-src/init.s: src/init.c.s
+src/filter.s: src/filter.c.s
 
-.PHONY : src/init.s
+.PHONY : src/filter.s
 
 # target to generate assembly for a file
-src/init.c.s:
-	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/init.c.s
-.PHONY : src/init.c.s
+src/filter.c.s:
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/src/filter.c.s
+.PHONY : src/filter.c.s
 
 src/server.o: src/server.c.o
 
@@ -325,9 +325,9 @@ help:
 	@echo "... src/SystemInfo.o"
 	@echo "... src/SystemInfo.i"
 	@echo "... src/SystemInfo.s"
-	@echo "... src/init.o"
-	@echo "... src/init.i"
-	@echo "... src/init.s"
+	@echo "... src/filter.o"
+	@echo "... src/filter.i"
+	@echo "... src/filter.s"
 	@echo "... src/server.o"
 	@echo "... src/server.i"
 	@echo "... src/server.s"
diff --git a/cmake-build-debug/Testing/Temporary/LastTest.log b/cmake-build-debug/Testing/Temporary/LastTest.log
index d4feaac..c449514 100644
--- a/cmake-build-debug/Testing/Temporary/LastTest.log
+++ b/cmake-build-debug/Testing/Temporary/LastTest.log
@@ -1,3 +1,3 @@
-Start testing: Jul 21 00:14
+Start testing: Jul 21 12:35
 ----------------------------------------------------------
-End testing: Jul 21 00:14
+End testing: Jul 21 12:35
diff --git a/src/SystemInfo.c b/src/SystemInfo.c
index 6321b93..c727a9b 100644
--- a/src/SystemInfo.c
+++ b/src/SystemInfo.c
@@ -2,22 +2,38 @@
 // Created by Iain on 2021/7/17.
 //
 
+#include "SystemInfo.h"
 #include<stdio.h>
 #include <string.h>
 
 #define BUFFER_SIZE_MEMINFO 128
+#define SYSTEM_CPU_INFO_PATH "/proc/stat"
 #define SYSTEM_MEM_INFO_PATH "/proc/meminfo"
 
-void updateSystemMem(unsigned int *all, unsigned int *fre, float *useage) {
+void updateSystemCPU(Sys_CPU_Time *cpuInfo) {
     char buf[BUFFER_SIZE_MEMINFO];  /*缓冲区*/
-    FILE *fp;               /*文件指针*/
+    FILE *fp;                       /*文件指针*/
+    if ((fp = fopen(SYSTEM_CPU_INFO_PATH, "r")) == NULL) {
+        perror("fail to read /proc/meminfo");
+        return;
+    }
+    fgets(buf, BUFFER_SIZE_MEMINFO, fp);
+    sscanf(buf, "cpu: %u kB", cpuInfo->user, cpuInfo->nice, cpuInfo->system, cpuInfo->idle);
+    *useage = 1 - (float) *fre / *all;
+    return;
+}
+
+void updateSystemMem(Sys_Mem *memInfo) {
+    char buf[BUFFER_SIZE_MEMINFO];  /*缓冲区*/
+    FILE *fp;                       /*文件指针*/
     if ((fp = fopen(SYSTEM_MEM_INFO_PATH, "r")) == NULL) {
         perror("fail to read /proc/meminfo");
         return;
     }
     fgets(buf, BUFFER_SIZE_MEMINFO, fp);
-    sscanf(buf, "MemTotal: %u kB", all);
+    sscanf(buf, "MemTotal: %u kB", memInfo->All);
     fgets(buf, BUFFER_SIZE_MEMINFO, fp);
-    sscanf(buf, "MemFree %u kB", fre);
-    *useage = 1 - (float) *fre / *all;
+    sscanf(buf, "MemFree %u kB", memInfo->Free);
+    memInfo->Usage = 1 - (float) memInfo->Free / memInfo->All;
+    return;
 }
diff --git a/src/SystemInfo.h b/src/SystemInfo.h
index 68cd22f..88931c5 100644
--- a/src/SystemInfo.h
+++ b/src/SystemInfo.h
@@ -5,25 +5,18 @@
 #ifndef ATOP_SYSTEMINFO_H
 #define ATOP_SYSTEMINFO_H
 
-typedef struct {
+typedef struct Sys_CPU_Time_ {
+    float Usage;
     unsigned long user;
     unsigned long nice;
     unsigned long system;
     unsigned long idle;
-} Total_CPU_Time;
+} Sys_CPU_Time;
 
-struct memGlobal {
+typedef struct Sys_Mem_ {
+    float Usage;
     unsigned int All;
-    float Usage;
     unsigned int Free;
-} memG;
-
-struct cpuGlobal {
-    unsigned long user;
-    unsigned long nice;
-    unsigned long system;
-    unsigned long idle;
-    float Usage;
-} cpuG;
+} Sys_Mem;
 
 #endif //ATOP_SYSTEMINFO_H