diff --git a/README.md b/README.md
index 996e9b10..e19d9e58 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,5 @@
-# Linux2022Fall
\ No newline at end of file
+# Linux2022Fall
+
+># :heart:***教授好帥***
+
+![](swanbaola.gif)
diff --git a/f74104757/lab_2_git/first.txt b/f74104757/lab_2_git/first.txt
new file mode 100644
index 00000000..38181e50
--- /dev/null
+++ b/f74104757/lab_2_git/first.txt
@@ -0,0 +1 @@
+first text
diff --git a/lab_5_F74104757/.gitignore b/lab_5_F74104757/.gitignore
new file mode 100644
index 00000000..32eac6f6
--- /dev/null
+++ b/lab_5_F74104757/.gitignore
@@ -0,0 +1,9 @@
+# Ignore the build and lib dirs 
+build 
+lib/* 
+
+# Ignore any executables 
+bin/*
+
+# Ignore temporary files
+*.swp
diff --git a/lab_5_F74104757/Makefile b/lab_5_F74104757/Makefile
new file mode 100644
index 00000000..e7b60d8d
--- /dev/null
+++ b/lab_5_F74104757/Makefile
@@ -0,0 +1,30 @@
+CC := gcc
+SRCDIR := src
+BUILDDIR := build
+BINDIR := bin
+INCDIR := include
+TARGET := $(BINDIR)/runner
+
+SRCEXT := c
+SOURCES := $(shell find $(SRCDIR) -type f -name *.$(SRCEXT))
+HEADERS := $(shell find $(INCDIR) -type f -name *.h)
+OBJECTS := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.o))
+CFLAGS := -O2 -Wall
+
+all: $(TARGET)
+
+$(TARGET): $(OBJECTS)
+	mkdir -p $(BINDIR)
+	@echo "> Linking..."
+	$(CC) $^ -o $(TARGET)
+
+
+$(BUILDDIR)/%.o: $(SRCDIR)/%.$(SRCEXT) 
+	mkdir -p $(BUILDDIR)
+	@echo "> Compiling..."
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+clean:
+	@echo "> Cleaning...";
+	$(RM) -rf $(BUILDDIR) $(TARGET)
+
diff --git a/lab_5_F74104757/include/strcpy.h b/lab_5_F74104757/include/strcpy.h
new file mode 100644
index 00000000..aa307ccb
--- /dev/null
+++ b/lab_5_F74104757/include/strcpy.h
@@ -0,0 +1,6 @@
+#ifndef STRCPY_H
+#define STRCPY_H
+
+char *sstrcpy(char *dest, const char *src);
+
+#endif /* STRCPY_H */
diff --git a/lab_5_F74104757/src/main.c b/lab_5_F74104757/src/main.c
new file mode 100644
index 00000000..f4ceeb3b
--- /dev/null
+++ b/lab_5_F74104757/src/main.c
@@ -0,0 +1,11 @@
+#include <stdio.h> 
+#include <stdlib.h> 
+#include "../include/strcpy.h" 
+int main() 
+{ 
+    const char *src = "f74104757";
+    char *dest = malloc(10);
+    dest = sstrcpy(dest, src);
+    printf("%s\n", dest); 
+    return 0; 
+}
diff --git a/lab_5_F74104757/src/strcpy.c b/lab_5_F74104757/src/strcpy.c
new file mode 100644
index 00000000..64ce5dae
--- /dev/null
+++ b/lab_5_F74104757/src/strcpy.c
@@ -0,0 +1,10 @@
+#include "../include/strcpy.h"
+
+char *sstrcpy(char *dest, const char *src) 
+{
+    int i;
+    for(i = 0; src[i]; i++)
+        dest[i] = src[i];
+    dest[i] = 0;
+    return dest;
+}
diff --git a/swanbaola.gif b/swanbaola.gif
new file mode 100644
index 00000000..0234d624
Binary files /dev/null and b/swanbaola.gif differ