diff --git a/list/list.c b/list/list.c
index c3b79f4..e434c5a 100644
Binary files a/list/list.c and b/list/list.c differ
diff --git a/list/list.h b/list/list.h
index 1e9faf6..d0ddc16 100644
Binary files a/list/list.h and b/list/list.h differ
diff --git a/list/list_expand.c b/list/list_expand.c
new file mode 100644
index 0000000..a5f8fb3
--- /dev/null
+++ b/list/list_expand.c
@@ -0,0 +1,328 @@
+#include "list_expand.h"
+
+Node *nodeWithInt(int m_int) {
+	int *p_int = (int *)malloc(sizeof(int));
+	*p_int = m_int;
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "int", (void *)p_int);
+	return p_node;
+}
+
+Node *nodeWithDouble(double m_double) {
+	double *p_double = (double *)malloc(sizeof(double));
+	*p_double = m_double;
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "double", (void *)p_double);
+	return p_node;
+}
+
+Node *nodeWithString(const char *m_string) {
+	char *p_string = (char *)malloc(sizeof(char)*(strlen(m_string) + 1));
+	strcpy_s(p_string, sizeof(p_string), m_string);
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "string", (void *)p_string);
+	return p_node;
+}
+
+Node *nodeWithPointer(void *m_pointer) {
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "pointer", m_pointer);
+	return p_node;
+}
+
+Node *nodeWithComplex(void) {
+	Node *p_node = initNode();
+	p_node->type = "list";
+	p_node->value = initList();
+	p_node->if_malloc = 1;
+	return p_node;
+}
+
+Node *findByIndexForNode(List *p_list, unsigned long long m_index) {
+	Node *p_node = p_list->head;
+	for (unsigned long long i = 0; i < m_index; i++) {
+		p_node = p_node->next;
+	}
+	return p_node;
+}
+
+int listThrough(List *p_list, int(*p_func)(const char *, void *)) {
+	Node *p_node = p_list->head;
+	while (p_node != NULL) {
+		if (p_node->if_malloc == 1) {
+			int m_return = (*p_func)(p_node->type, p_node->value);
+			if (m_return == -1) break;
+			else if (m_return == 1) {
+				p_node = p_node->last;
+				continue;
+			}
+			else {
+
+			}
+		}
+		p_node = p_node->next;
+	}
+	return 0;
+}
+
+int getByIntForNode(Node *p_node) {
+	if (!strcmp(p_node->type, "int")) return *(int *)(p_node->value);
+	else return -1;
+}
+
+char *getByStringForNode(Node *p_node) {
+	if (!strcmp(p_node->type, "string")) return (char *)(p_node->value);
+	else return NULL;
+}
+
+double getByDoubleForNode(Node *p_node) {
+	if (!strcmp(p_node->type, "double")) return *(double *)(p_node->value);
+	else return -1;
+}
+
+void *getByPointerForNode(Node *p_node) {
+	if (!strcmp(p_node->type, "pointer")) return (void *)(p_node->value);
+	else return NULL;
+}
+
+void printListInfo(List *p_list, int priority) {
+	for (int i = 0; i < priority; i++) printf("   ");
+	printf("###LIST(location:%p, id:%llu){\n", p_list, p_list->id);
+	for (int i = 0; i < priority + 1; i++) printf("   ");
+	printf("HEAD->%p / Tail->%p / Length:%llu\n", p_list->head, p_list->tail, p_list->length);
+	Node *p_node = p_list->head;
+	int i = 0;
+	while (p_node != NULL) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("%d.... \n", i);
+		printNodeInfo(p_node, priority + 1);
+		p_node = p_node->next;
+		i++;
+	}
+	for (int i = 0; i < priority; i++) printf("   ");
+	printf("}\n");
+
+}
+
+void printList(List *p_list) {
+	Node *p_node = p_list->head;
+	printf("[");
+	int if_nearLast = 0;
+	while (p_node != NULL) {
+		if (!if_nearLast && p_node->next == NULL) if_nearLast = 1;
+		if (!strcmp(p_node->type, "int")) {
+			printf("%d", *(int *)(p_node->value));
+		}
+		else if (!strcmp(p_node->type, "double")) {
+			printf("%a", *(double *)(p_node->value));
+		}
+		else if (!strcmp(p_node->type, "string")) {
+			printf("%s", (char *)(p_node->value));
+		}
+		else if (!strcmp(p_node->type, "pointer")) {
+			printf("%s", (char *)(p_node->value));
+		}
+		else if (!strcmp(p_node->type, "list")) {
+			printList((List *)p_node->value);
+		}
+		if (!if_nearLast) {
+			printf(", ");
+		}
+		p_node = p_node->next;
+	}
+	printf("]");
+}
+
+void printNodeInfo(Node *p_node, int priority) {
+	for (int i = 0; i < priority; i++) printf("   ");
+	printf("#NODE(location:%p, id:%llu){\n", p_node, p_node->id);
+	for (int i = 0; i < priority + 1; i++) printf("   ");
+	printf("NEXT->%p / LAST->%p / MALLOC:%d\n", p_node->next, p_node->last, p_node->if_malloc);
+	if (!strcmp(p_node->type, "int")) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("VALUE(Int):%d\n", *(int *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "double")) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("VALUE(Double):%a\n", *(double *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "string")) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("VALUE(String):%s\n", (char *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "pointer")) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("VALUE(Pointer):%s\n", (char *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "list")) {
+		for (int i = 0; i < priority + 1; i++) printf("   ");
+		printf("VALUE(List):\n");
+		printListInfo((List *)p_node->value, priority + 2);
+	}
+	for (int i = 0; i < priority; i++) printf("   ");
+	printf("}\n");
+}
+
+void printNode(Node *p_node) {
+	printf("#NODE(location:%p, id:%llu){\n", p_node, p_node->id);
+	printf("   ");
+	printf("NEXT->%p / LAST->%p / MALLOC:%d\n", p_node->next, p_node->last, p_node->if_malloc);
+	printf("   ");
+	if (!strcmp(p_node->type, "int")) {
+		printf("%d", *(int *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "double")) {
+		printf("%a\n", *(double *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "string")) {
+		printf("%s\n", (char *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "pointer")) {
+		printf("%s\n", (char *)(p_node->value));
+	}
+	else if (!strcmp(p_node->type, "list")) {
+		printList((List *)p_node->value);
+	}
+	printf("}\n");
+}
+
+
+Node *findByIntForNode(List *p_list, int target) {
+	int *p_target = (int *)malloc(sizeof(int));
+	*p_target = target;
+	Node *t_node = findByValue(p_list, "int", p_target);
+	free(p_target);
+	return t_node;
+}
+
+Node *findByDoubleForNode(List *p_list, double target) {
+	double *p_target = (double *)malloc(sizeof(double));
+	*p_target = target;
+	Node *t_node = findByValue(p_list, "double", p_target);
+	free(p_target);
+	return t_node;
+}
+
+Node *findByStringForNode(List *p_list, char *target) {
+	char *p_temp = (char *)malloc(sizeof(char)*(strlen(target) + 1));
+	strcpy_s(p_temp, sizeof(p_temp), target);
+	Node *t_node = findByValue(p_list, "string", p_temp);
+	free(p_temp);
+	return t_node;
+}
+
+Node *findByPointerForNode(List *p_list, void *target) {
+	Node *t_node = findByValue(p_list, "pointer", target);
+	return t_node;
+}
+
+int addValueForComplex(Node * p_node, char *type, void *value) {
+	if (!strcmp(p_node->type, "list")) {
+		List *c_list = (List *)p_node->value;
+		Node *c_node = initNode();
+		initMallocValueForNode(c_node, type, value);
+		insertInTail(c_list, c_node);
+		return  0;
+	}
+	return  -1;
+}
+
+int addIntForComplex(Node *p_node, int temp) {
+	if (!strcmp(p_node->type, "list")) {
+		int *p_temp = (int *)malloc(sizeof(int));
+		*p_temp = temp;
+		addValueForComplex(p_node, "int", p_temp);
+		return 0;
+	}
+	return -1;
+}
+
+int addDoubleForComplex(Node *p_node, double temp) {
+	if (!strcmp(p_node->type, "list")) {
+		double *p_temp = (double *)malloc(sizeof(double));
+		*p_temp = temp;
+		addValueForComplex(p_node, "double", p_temp);
+		return 0;
+	}
+	return -1;
+}
+
+int addStringForComplex(Node *p_node, char *temp) {
+	if (!strcmp(p_node->type, "list")) {
+		char *p_temp = (char *)malloc(sizeof(strlen(temp) + 1));
+		strcpy_s(p_temp, sizeof(p_temp), temp);
+		addValueForComplex(p_node, "string", p_temp);
+		return 0;
+	}
+	return -1;
+}
+
+int addPointerForComplex(Node *p_node, void *temp) {
+	if (!strcmp(p_node->type, "list")) {
+		addValueForComplex(p_node, "pointer", temp);
+		return 0;
+	}
+	return -1;
+}
+
+List *m_findByInt(List* p_list, int temp) {
+	int *p_temp = (int *)malloc(sizeof(int));
+	*p_temp = temp;
+	List *t_list = mply_findByValue(p_list, "int", (void *)p_temp);
+	free(p_temp);
+	return t_list;
+}
+
+List *m_findByDouble(List* p_list, double temp) {
+	double *p_temp = (double *)malloc(sizeof(double));
+	*p_temp = temp;
+	List *t_list = mply_findByValue(p_list, "double", (void *)p_temp);
+	free(p_temp);
+	return t_list;
+}
+
+List *m_findByString(List* p_list, char *temp) {
+	char *p_temp = (char *)malloc(sizeof(char)*(strlen(temp) + 1));
+	strcpy_s(p_temp, sizeof(p_temp), temp);
+	List *t_list = mply_findByValue(p_list, "string", (void *)p_temp);
+	free(p_temp);
+	return t_list;
+}
+
+List *m_findByPointer(List* p_list, void *temp) {
+	List *t_list = mply_findByValue(p_list, "double", (void *)temp);
+	return t_list;
+}
+
+unsigned long long getIndexByNode(List *p_list, Node *p_node) {
+	Node *t_node = p_list->head;
+	unsigned long long index = 0;
+	while (t_node != NULL) {
+		if (p_node->id == t_node->id) return index;
+		index++;
+		t_node = t_node->next;
+	}
+	return 0;
+}
+
+List *m_findByIntForNode(List* p_list, int temp) {
+	int *p_temp = (int *)malloc(sizeof(int));
+	*p_temp = temp;
+	return mply_findByValue(p_list, "int", (void *)p_temp);
+}
+
+List *m_findByDoubleForNode(List* p_list, double temp) {
+	double *p_temp = (double *)malloc(sizeof(double));
+	*p_temp = temp;
+	return mply_findByValue(p_list, "double", (void *)p_temp);
+}
+
+List *m_findByStringForNode(List* p_list, char *temp) {
+	char *p_temp = (char *)malloc(sizeof(char) * (strlen(temp) + 1));
+	strcpy_s(p_temp, sizeof(p_temp), temp);
+	return mply_findByValue(p_list, "string", (void *)p_temp);
+}
+
+List *m_findByPointerForNode(List* p_list, void *temp) {
+	return mply_findByValue(p_list, "pointer", (void *)temp);
+}
diff --git a/list/list_expand.h b/list/list_expand.h
index 0b234a4..e2f32e9 100644
Binary files a/list/list_expand.h and b/list/list_expand.h differ
diff --git a/main.c b/main.c
deleted file mode 100644
index d25c065..0000000
--- a/main.c
+++ /dev/null
@@ -1,12 +0,0 @@
-#include<stdio.h>
-
-int stack(void);
-int list(void);
-int tree(void);
-
-int main(int argc, char **argv) {
-	list();
-	tree();
-	getchar();
-	return 0;
-}
\ No newline at end of file
diff --git a/stack/stack.c b/stack/stack.c
index 15364d1..32742ca 100644
Binary files a/stack/stack.c and b/stack/stack.c differ
diff --git a/stack/stack.h b/stack/stack.h
index d06f43e..08b406f 100644
Binary files a/stack/stack.h and b/stack/stack.h differ
diff --git a/stack/stack_expand.c b/stack/stack_expand.c
new file mode 100644
index 0000000..faea8b1
--- /dev/null
+++ b/stack/stack_expand.c
@@ -0,0 +1,51 @@
+#include "stack_expand.h"
+
+SNode *snodeWithInt(int temp) {
+	SNode *p_snode = initSNode();
+	int *p_temp = (int *)malloc(sizeof(int));
+	*p_temp = temp;
+	initMallocValueForSNode(p_snode, "int", p_temp);
+	return p_snode;
+}
+
+SNode *snodeWithDouble(double temp) {
+	SNode *p_snode = initSNode();
+	double *p_temp = (double *)malloc(sizeof(double));
+	*p_temp = temp;
+	initMallocValueForSNode(p_snode, "double", p_temp);
+	return p_snode;
+}
+
+SNode *snodeWithString(char *temp) {
+	SNode *p_snode = initSNode();
+	char *p_temp = (char *)malloc(sizeof(char)*(strlen(temp) + 1));
+	strcpy_s(p_temp, strlen(p_temp), temp);
+	initMallocValueForSNode(p_snode, "string", p_temp);
+	return p_snode;
+}
+
+SNode *snodeWithPointer(void *temp) {
+	SNode *p_snode = initSNode();
+	initMallocValueForSNode(p_snode, "pointer", temp);
+	return p_snode;
+}
+
+int getValueByIntForSNode(SNode *p_snode) {
+	if (!strcmp(p_snode->type, "int")) return *(int *)p_snode->value;
+	else return  -1;
+}
+
+double getValueByDoubleForSNode(SNode *p_snode) {
+	if (!strcmp(p_snode->type, "double")) return *(double *)p_snode->value;
+	else return  -1;
+}
+
+char *getValueByStringForSNode(SNode *p_snode) {
+	if (!strcmp(p_snode->type, "int")) return (char *)p_snode->value;
+	else return  NULL;
+}
+
+void *getValueByPointerForSNode(SNode *p_snode) {
+	if (!strcmp(p_snode->type, "int")) return (void *)p_snode->value;
+	else return  NULL;
+}
\ No newline at end of file
diff --git a/stack/stack_expand.h b/stack/stack_expand.h
index fe14aa2..300b68e 100644
Binary files a/stack/stack_expand.h and b/stack/stack_expand.h differ
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..c21a0f5
--- /dev/null
+++ b/test.c
@@ -0,0 +1,63 @@
+#include "test.h"
+
+int list(void) {
+	init_rand();
+	safeModeForNode(1);
+	List *t_list = initList();
+
+	/*for(int i = 0; i < 9; i++){
+	Node *t_node = initNode();
+	int *t_i = (int *)malloc(sizeof(int));
+	*t_i = i;
+	initMallocValue(t_node,"int",(void *)t_i);
+	insertInTail(t_list,t_node);
+	}*/
+
+	/*Node *t_node = initNode();
+	insertInTail(t_list,t_node);
+	initMalllocValue(t_node,(void *)"there");*/
+
+	for (int i = 0; i < 12; i++) {
+		insertInHead(t_list, nodeWithInt(i));
+		insertInTail(t_list, nodeWithInt(i));
+	}
+
+
+
+	printListInfo(t_list, 0);
+	printList(t_list);
+	List *m_list;
+	m_list = m_findByIntForNode(t_list, 5);
+	printList(m_list);
+	printf("\n");
+
+	releaseAllForNode();
+
+	return 0;
+}
+
+int tree(void) {
+	safeModeForTree(1);
+	Tree *t_tree = initTree();
+	releaseAllForTree();
+	return 0;
+}
+
+int stack(void) {
+	Stack *t_stack = initStack();
+	for (int i = 0; i < 10; i++) {
+		pushStack(t_stack, snodeWithInt(i));
+	}
+	for (int i = 0; i < 10; i++) {
+		printf("%d", getValueByIntForSNode(popStack(t_stack)));
+	}
+	releaseStack(t_stack);
+	return 0;
+}
+
+
+int main(int argc, char **argv) {
+	tree();
+	getchar();
+	return 0;
+}
\ No newline at end of file
diff --git a/test.h b/test.h
new file mode 100644
index 0000000..cba9876
--- /dev/null
+++ b/test.h
@@ -0,0 +1,15 @@
+#ifndef TEST_H
+#define TEST_H
+
+#include<stdio.h>
+
+#include "list/list_expand.h"
+#include "stack/stack_expand.h"
+#include "tree/tree.h"
+
+int stack(void);
+int list(void);
+int tree(void);
+
+#endif // TEST_H
+
diff --git a/tree/tree.c b/tree/tree.c
index 479d186..8d981e8 100644
--- a/tree/tree.c
+++ b/tree/tree.c
@@ -1,5 +1,438 @@
 #include"tree.h"
-int tree(void) {
-	
+
+int safeModeForTree(int ifon) {
+	if (ifon == 1) {
+		if (tnode_list == NULL && tree_list == NULL) {
+			tnode_list = (List *)malloc(sizeof(List));
+			tree_list = (List *)malloc(sizeof(List));
+
+			tree_list->head = NULL;
+			tree_list->length = 0;
+			tree_list->tail = NULL;
+
+			tnode_list->head = NULL;
+			tnode_list->length = 0;
+			tnode_list->tail = NULL;
+
+			if_safeModeForTree = 1;
+		}
+		else {
+			return -1;
+		}
+	}
+
+	return ifon;
+}
+
+TNode *initTNode(void) {
+	TNode *p_tnode = (TNode *)malloc(sizeof(TNode));
+	p_tnode->id = getId();
+	p_tnode->child_num = 0;
+	p_tnode->father = NULL;
+	p_tnode->if_malloc = 0;
+	p_tnode->value = NULL;
+	p_tnode->type = NULL;
+	p_tnode->home = initList();
+	p_tnode->room = NULL;
+	if (if_safeModeForTree) {
+		if (if_safeModeForNode) {
+			if_safeModeForNode = 0;
+			Node *s_node = initNode();
+			initMallocValueForNode(s_node, "pointer", (void *)p_tnode);
+			insertInTail(tnode_list, s_node);
+			if_safeModeForNode = 1;
+		}
+		else
+		{
+			Node *s_node = initNode();
+			initMallocValueForNode(s_node, "pointer", (void *)p_tnode);
+			insertInTail(tnode_list, s_node);
+		}
+	}
+	return p_tnode;
+}
+
+Tree *initTree(void) {
+	Tree *p_tree = (Tree *)malloc(sizeof(Tree));
+	p_tree->id = getId();
+	p_tree->root = NULL;
+	if (if_safeModeForTree) {
+		if (if_safeModeForNode) {
+			if_safeModeForNode = 0;
+			Node *s_node = initNode();
+			initMallocValueForNode(s_node, "pointer", (void *)p_tree);
+			if_safeModeForNode = 1;
+			insertInTail(tree_list, s_node);
+		}
+		else
+		{
+			Node *s_node = initNode();
+			initMallocValueForNode(s_node, "pointer", (void *)p_tree);
+			insertInTail(tree_list, s_node);
+		}
+	}
+	return p_tree;
+}
+
+int *initMallocValueForTNode(TNode *p_tnode, char *type, void *value) {
+	p_tnode->type = type;
+	p_tnode->value = value;
+	p_tnode->if_malloc = 1;
 	return 0;
-}
\ No newline at end of file
+}
+
+int addChildInLeft(TNode *f_tnode, TNode *c_tnode) {
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "pointer", c_tnode);
+	insertInHead(f_tnode->home, p_node);
+	c_tnode->father = f_tnode;
+	f_tnode->child_num++;
+	return 0;
+}
+
+int addChildInRight(TNode *f_tnode, TNode *c_tnode) {
+	Node *p_node = initNode();
+	initMallocValueForNode(p_node, "pointer", c_tnode);
+	insertInTail(f_tnode->home, p_node);
+	c_tnode->father = f_tnode;
+	f_tnode->child_num++;
+	return 0;
+}
+
+TNode *getBrotherInLeft(TNode *p_tnode) {
+	List *p_home = p_tnode->father->home;
+	Node *p_node = p_home->head;
+	unsigned long long index = getIndexByNode(p_home, p_node);
+	if (index > 0) return (TNode *)(findByIndexForNode(p_home, index - 1)->value);
+	return NULL;
+}
+
+TNode *getBrotherInRight(TNode *p_tnode) {
+	List *p_home = p_tnode->father->home;
+	Node *p_node = p_home->head;
+	unsigned long long index = getIndexByNode(p_home, p_node);
+	if (index < p_home->length - 1) return (TNode *)(findByIndexForNode(p_home, index + 1)->value);
+	return NULL;
+}
+
+int removeChildInLeft(TNode *p_tnode) {
+	TNode *c_tnode = (TNode *)p_tnode->home->head->value;
+	c_tnode->father = NULL;
+	releaseOnlyNode(c_tnode->room);
+	c_tnode->room = NULL;
+	p_tnode->child_num--;
+	popFromHead(p_tnode->home);
+	return 0;
+}
+
+int removeChildInRight(TNode *p_tnode) {
+	TNode *c_tnode = (TNode *)p_tnode->home->tail->value;
+	c_tnode->father = NULL;
+	releaseOnlyNode(c_tnode->room);
+	c_tnode->room = NULL;
+	p_tnode->child_num--;
+	popFromTail(p_tnode->home);
+	return 0;
+}
+
+
+TNode *getChildById(TNode *p_tnode, unsigned long long id) {
+	List *p_home = p_tnode->home;
+	target_id = 0;
+	target_value_id = NULL;
+	listThrough(p_home, _dogetChildById);
+	if (target_value_id != NULL) {
+		return target_value_id;
+	}
+	return NULL;
+}
+
+int _dogetChildById(const char *type, void *value) {
+	if (!strcmp(type, "pointer")) {
+		TNode *p_tode = (TNode *)value;
+		if (p_tode->id == target_id) {
+			target_value_id = p_tode;
+			return -1;
+		}
+	}
+	return 0;
+}
+
+char *target_type = NULL;
+void *target_value = NULL;
+TNode *target_value_value = NULL;
+int _dogetChildByValue(const char *type, void *value);
+
+TNode *getChildByValue(TNode *p_tnode, char *type, void *value) {
+	List *p_home = p_tnode->home;
+	target_value = value;
+	target_type = type;
+	target_value_value = NULL;
+	listThrough(p_home, _dogetChildByValue);
+	if (target_value_value != NULL) {
+		return target_value_value;
+	}
+	return NULL;
+}
+
+int _dogetChildByValue(const char *type, void *value) {
+	if (!strcmp(type, target_type)) {
+		TNode *p_tode = (TNode *)value;
+		if (!strcmp(target_value, "int")) {
+			if (*(int *)p_tode->value == *(int *)target_value)
+			{
+				target_value_value = p_tode;
+				return -1;
+			}
+		}
+		else if (!strcmp(target_value, "double"))
+		{
+			if (*(double *)p_tode->value == *(double *)target_value)
+			{
+				target_value_value = p_tode;
+				return -1;
+			}
+		}
+		else if (!strcmp(target_value, "string"))
+		{
+			if (!strcmp((char *)p_tode->value, (char *)target_value))
+			{
+				target_value_value = p_tode;
+				return -1;
+			}
+		}
+		else if (!strcmp(target_value, "pointer"))
+		{
+			if (p_tode->value == target_value)
+			{
+				target_value_value = p_tode;
+				return -1;
+			}
+		}
+
+	}
+	return 0;
+}
+
+int removeChildById(TNode *p_tnode, unsigned long long id) {
+	TNode *t_tnode = getChildById(p_tnode, id);
+	if (t_tnode != NULL) {
+		TNode *p_fnode = t_tnode->father;
+		p_fnode->child_num--;
+		removeById(p_fnode->home, t_tnode->room->id);
+		releaseOnlyNode(t_tnode->room);
+		t_tnode->room = NULL;
+		return 0;
+	}
+	return -1;
+}
+
+int removeChildByValue(TNode *p_tnode, char *type, void *value) {
+	TNode *t_tnode = getChildByValue(p_tnode, type, value);
+	if (t_tnode != NULL) {
+		TNode *p_fnode = t_tnode->father;
+		p_fnode->child_num--;
+		removeById(p_fnode->home, t_tnode->room->id);
+		releaseOnlyNode(t_tnode->room);
+		t_tnode->room = NULL;
+		return 0;
+	}
+	return -1;
+}
+
+TNode *getChildByIndex(TNode *p_tnode, unsigned long long index) {
+	List *p_home = p_tnode->home;
+	Node *p_node = p_home->head;
+	int m_index = 0;
+	if (index < p_tnode->child_num - 1)
+	{
+		while (p_node != NULL) {
+			m_index++;
+			p_node = p_node->next;
+		}
+		return (TNode *)p_node->value;
+	}
+	return NULL;
+}
+
+unsigned long long getIndexByChild(TNode *f_tnode, TNode *c_tnode) {
+	List *p_home = f_tnode->home;
+	Node *p_node = p_home->head;
+	int m_index = 0;
+	while (p_node != NULL) {
+		TNode *p_tnode = (TNode *)p_node->value;
+		if (p_tnode->id == c_tnode->id) {
+			return m_index;
+		}
+		m_index++;
+		p_node = p_node->next;
+	}
+	return -1;
+}
+
+int removeChildByIndex(TNode *p_tnode, unsigned long long index) {
+	TNode *t_tnode = getChildByIndex(p_tnode, index);
+	if (t_tnode != NULL) {
+		TNode *p_fnode = t_tnode->father;
+		p_fnode->child_num--;
+		removeById(p_fnode->home, t_tnode->room->id);
+		releaseOnlyNode(t_tnode->room);
+		t_tnode->room = NULL;
+		return 0;
+	}
+	return -1;
+}
+
+
+int TreeThroughUp(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
+	TNode *p_tnode = p_tree->root;
+	if (p_tnode != NULL) {
+		func(p_tnode, 0);
+		if (p_tnode->child_num > 0) {
+			for (int i = 0; i < p_tnode->child_num; i++) {
+				if (_doTreeThroughUp(getChildByIndex(p_tnode, i), 1, func) == -1) {
+					break;
+				}
+			}
+		}
+	}
+	return 0;
+}
+
+int _doTreeThroughUp(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height)) {
+	if (p_tnode->child_num > 0) {
+		for (int i = 0; i < p_tnode->child_num; i++) {
+			if (_doTreeThroughUp(getChildByIndex(p_tnode, i), height + 1, func)) return -1;
+		}
+	}
+	int func_back = func(p_tnode, height);
+	if (func_back == -1)return -1;
+	return 0;
+}
+
+
+int TreeThroughDown(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
+	TNode *p_tnode = p_tree->root;
+	if (p_tree->root != NULL) {
+		if (p_tree->root->child_num > 0) {
+			func(p_tnode, 0);
+			for (int i = 0; i < p_tnode->child_num; i++) {
+				if (_doTreeThroughDown(getChildByIndex(p_tnode, i), 1, func) == -1) {
+					break;
+				}
+			}
+		}
+	}
+	return 0;
+}
+
+int _doTreeThroughDown(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height)) {
+	int func_back = func(p_tnode, height);
+	if (p_tnode->child_num > 0) {
+		for (int i = 0; i < p_tnode->child_num; i++) {
+			if (_doTreeThroughDown(getChildByIndex(p_tnode, i), height + 1, func)) return -1;
+		}
+	}
+	if (func_back == -1)return -1;
+	return 0;
+}
+
+int TreeTravel(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
+	TNode *p_tnode = p_tree->root;
+	unsigned long long height = 0;
+	if (p_tnode != NULL) {
+		int func_back = func(p_tnode, height);
+		while (func_back > -2) {
+			if (func_back > -1) {
+				p_tnode = getChildByIndex(p_tnode, func_back);
+				func(p_tnode, height + 1);
+			}
+			else
+			{
+				p_tnode = p_tnode->father;
+				func(p_tnode, height - 1);
+
+			}
+		}
+	}
+	return 0;
+}
+int releaseTNode(TNode *p_tnode) {
+	if (p_tnode->child_num == 0) {
+		releaseList(p_tnode->home);
+		if (p_tnode->father != NULL) {
+			removeChildById(p_tnode->father, p_tnode->id);
+		}
+		if (strcmp(p_tnode->type, "pointer")) {
+			if (!strcmp(p_tnode->type, "list")) {
+				releaseList((List *)p_tnode->value);
+			}
+			else {
+				free(p_tnode->value);
+			}
+		}
+		p_tnode->value = NULL;
+		p_tnode->type = NULL;
+		p_tnode->id = 0;
+		p_tnode->if_malloc = 0;
+		free(p_tnode);
+	}
+	return 0;
+}
+
+int releaseTree(Tree *p_tree) {
+	TreeThroughUp(p_tree, _doreleaseTree);
+	p_tree->root = NULL;
+	p_tree->id = 0;
+	free(p_tree);
+	return 0;
+}
+
+int _doreleaseTree(TNode *p_tnode, unsigned long long height) {
+	releaseTNode(p_tnode);
+	return 0;
+}
+
+int releaseOnlyTree(Tree *p_tree) {
+	p_tree->id = 0;
+	p_tree->root = NULL;
+	free(p_tree);
+	return 0;
+}
+
+int releaseOnlyTNode(TNode *p_tnode) {
+	releaseList(p_tnode->home);
+	if (strcmp(p_tnode->type, "pointer")) {
+		if (!strcmp(p_tnode->type, "list")) {
+			releaseList((List *)p_tnode->value);
+		}
+		else {
+			free(p_tnode->value);
+		}
+	}
+	p_tnode->value = NULL;
+	p_tnode->type = NULL;
+	p_tnode->id = 0;
+	p_tnode->if_malloc = 0;
+	free(p_tnode);
+	return 0;
+}
+
+int releaseAllForTree(void) {
+	if (if_safeModeForTree) {
+		if_safeModeForTree = 0;
+		Node *p_node = tnode_list->head;
+		while (p_node != NULL) {
+			TNode *p_tnode = (TNode *)p_node->value;
+			releaseOnlyTNode(p_tnode);
+		}
+		p_node = tree_list->head;
+		while (p_node != NULL) {
+			Tree *p_tree = (Tree *)p_node->value;
+			releaseOnlyTree(p_tree);
+		}
+		releaseList(tnode_list);
+		releaseList(tree_list);
+	}
+	return 0;
+}
diff --git a/tree/tree.h b/tree/tree.h
index 6ceca66..3f5a7ae 100644
--- a/tree/tree.h
+++ b/tree/tree.h
@@ -1,6 +1,6 @@
-#pragma once
-
 #include "../list/list_expand.h"
+#ifndef TREE_H   
+#define TREE_H 
 
 typedef struct tree_node
 {
@@ -20,9 +20,9 @@ typedef struct tree
 	TNode *root;
 }Tree;
 
-List *tree_list = NULL;
-List *tnode_list = NULL;
-int if_safeModeForTree = 0;
+List *tree_list;
+List *tnode_list;
+int if_safeModeForTree;
 int safeModeForTree(int ifon);
 int releaseAllForTree(void);
 
@@ -47,445 +47,23 @@ int TreeThroughDown(Tree *p_tree, int(*func)(TNode *, unsigned long long height)
 int TreeThroughUp(Tree *p_tree, int(*func)(TNode *, unsigned long long height));
 int TreeTravel(Tree *p_tree, int(*func)(TNode *, unsigned long long height));
 
+int _dogetChildById(const char *type, void *value);
+int _dogetChildByValue(const char *type, void *value);
+int _doreleaseTree(TNode *p_tnode, unsigned long long height);
+int _doTreeThroughDown(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height));
+int _doTreeThroughUp(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height));
+
 int releaseTree(Tree *p_tree);
 int releaseOnlyTree(Tree *p_tree);
 int releaseTNode(TNode *p_tnode);
-int releaseOnlyTNode(Tree *p_tree);
+int releaseOnlyTNode(TNode *p_tnode);
 
-int safeModeForTree(int ifon) {
-	if (ifon == 1) {
-		if (tnode_list == NULL && tree_list == NULL) {
-			tnode_list = (List *)malloc(sizeof(List));
-			tree_list = (List *)malloc(sizeof(List));
+char *target_type;
+void *target_value;
+TNode *target_value_value;
 
-			tree_list->head = NULL;
-			tree_list->length = 0;
-			tree_list->tail = NULL;
-
-			tnode_list->head = NULL;
-			tnode_list->length = 0;
-			tnode_list->tail = NULL;
-
-			if_safeModeForTree = 1;
-		}
-		else {
-			return -1;
-		}
-	}
-
-	return ifon;
-}
-
-TNode *initTNode(void) {
-	TNode *p_tnode = (TNode *)malloc(sizeof(TNode));
-	p_tnode->id = getId();
-	p_tnode->child_num = 0;
-	p_tnode->father = NULL;
-	p_tnode->if_malloc = 0;
-	p_tnode->value = NULL;
-	p_tnode->type = NULL;
-	p_tnode->home = initList();
-	p_tnode->room = NULL;
-	if (if_safeModeForTree) {
-		if (if_safeModeForNode) {
-			if_safeModeForNode = 0;
-			Node *s_node = initNode();
-			initMallocValueForTNode(s_node, "pointer", (void *)p_tnode);
-			insertInTail(tnode_list, s_node);
-			if_safeModeForNode = 1;
-		}
-		else
-		{
-			Node *s_node = initNode();
-			initMallocValueForTNode(s_node, "pointer", (void *)p_tnode);
-			insertInTail(tnode_list, s_node);
-		}
-	}
-	return p_tnode;
-}
-
-Tree *initTree(void) {
-	Tree *p_tree = (Tree *)malloc(sizeof(Tree));
-	p_tree->id = getId();
-	p_tree->root = NULL;
-	if (if_safeModeForTree) {
-		if (if_safeModeForNode) {
-			if_safeModeForNode = 0;
-			Node *s_node = initNode();
-			initMallocValueForTNode(s_node, "pointer", (void *)p_tree);
-			if_safeModeForNode = 1;
-			insertInTail(tree_list, s_node);
-		}
-		else
-		{
-			Node *s_node = initNode();
-			initMallocValueForTNode(s_node, "pointer", (void *)p_tree);
-			insertInTail(tree_list, s_node);
-		}
-	}
-	return p_tree;
-}
-
-int *initMallocValueForTNode(TNode *p_tnode, char *type, void *value) {
-	p_tnode->type = type;
-	p_tnode->value = value;
-	p_tnode->if_malloc = 1;
-	return 0;
-}
-
-int addChildInLeft(TNode *f_tnode, TNode *c_tnode) {
-	Node *p_node = initNode();
-	initMalllocValueForNode(p_node, "pointer", c_tnode);
-	insertInHead(f_tnode->home, p_node);
-	c_tnode->father = f_tnode;
-	f_tnode->child_num++;
-	return 0;
-}
-
-int addChildInRight(TNode *f_tnode, TNode *c_tnode) {
-	Node *p_node = initNode();
-	initMalllocValueForNode(p_node, "pointer", c_tnode);
-	insertInTail(f_tnode->home, p_node);
-	c_tnode->father = f_tnode;
-	f_tnode->child_num++;
-	return 0;
-}
-
-TNode *getBrotherInLeft(TNode *p_tnode) {
-	List *p_home = p_tnode->father->home;
-	Node *p_node =p_home->head;
-	int index = getIndexByNode(p_home, p_node);
-	if (index > 0) return findByIndexForNode(p_home, index -1);
-	return NULL;
-}
-
-TNode *getBrotherInRight(TNode *p_tnode) {
-	List *p_home = p_tnode->father->home;
-	Node *p_node = p_home->head;
-	int index = getIndexByNode(p_home, p_node);
-	if (index < p_home->length-1) return findByIndexForNode(p_home, index + 1);
-	return NULL;
-}
-
-int removeChildInLeft(TNode *p_tnode) {
-	TNode *c_tnode = p_tnode->home->head;
-	c_tnode->father = NULL;
-	releaseOnlyNode(c_tnode->room);
-	c_tnode->room = NULL;
-	p_tnode->child_num--;
-	popFromHead(p_tnode->home);
-}
-
-int removeChildInRight(TNode *p_tnode) {
-	TNode *c_tnode = p_tnode->home->tail;
-	c_tnode->father = NULL;
-	releaseOnlyNode(c_tnode->room);
-	c_tnode->room = NULL;
-	p_tnode->child_num--;
-	popFromTail(p_tnode->home);
-}
-
-unsigned long long target_id = 0;
-TNode *target_value_id = NULL;
-TNode*_dogetChildById(char *type, void *value);
-
-TNode *getChildById(TNode *p_tnode, unsigned long long id) {
-	List *p_home = p_tnode->home;
-	target_id = 0;
-	target_value_id = NULL;
-	listThrough(p_home, _dogetChildById);
-	if (target_value_id != NULL) {
-		return target_value_id;
-	}
-	return NULL;
-}
-
-TNode*_dogetChildById(char *type, void *value) {
-	if (!strcmp(type, "pointer")) {
-		TNode *p_tode = (TNode *)value;
-		if (p_tode->id == target_id) { 
-			target_value_id = p_tode;
-			return -1;
-		}
-	}
-	return 0;
-}
-
-char *target_type = NULL;
-void *target_value = NULL;
-TNode *target_value_value = NULL;
-TNode*_dogetChildByValue(char *type, void *value);
-
-TNode *getChildByValue(TNode *p_tnode, char *type, void *value) {
-	List *p_home = p_tnode->home;
-	target_value = value;
-	target_type = type;
-	target_value_value = NULL;
-	listThrough(p_home, _dogetChildByValue);
-	if (target_value_value != NULL) {
-		return target_value_value;
-	}
-	return NULL;
-}
-
-TNode*_dogetChildByValue(char *type, void *value) {
-	if (!strcmp(type, target_type)) {
-		TNode *p_tode = (TNode *)value;
-		if (!strcmp(target_value, "int")) {
-			if (*(int *)p_tode->value == *(int *)target_value)
-			{
-				target_value_value = p_tode;
-				return -1;
-			}
-		}
-		else if (!strcmp(target_value, "double"))
-		{
-			if (*(double *)p_tode->value == *(double *)target_value)
-			{
-				target_value_value = p_tode;
-				return -1;
-			}
-		}
-		else if (!strcmp(target_value, "string"))
-		{
-			if (!strcmp((char *)p_tode->value,(char *)target_value))
-			{
-				target_value_value = p_tode;
-				return -1;
-			}
-		}
-		else if (!strcmp(target_value, "pointer"))
-		{
-			if (p_tode->value == target_value)
-			{
-				target_value_value = p_tode;
-				return -1;
-			}
-		}
-		
-	}
-	return 0;
-}
-
-int removeChildById(TNode *p_tnode, unsigned long long id) {
-	TNode *t_tnode = getChildById(p_tnode, id);
-	if (t_tnode != NULL) {
-		TNode *p_fnode = t_tnode->father;
-		p_fnode->child_num--;
-		removeById(p_fnode->home, t_tnode->room->id);
-		releaseOnlyNode(t_tnode->room);
-		t_tnode->room = NULL;
-		return 0;
-	}
-	return -1;
-}
-
-int removeChildByValue(TNode *p_tnode, char *type, void *value) {
-	TNode *t_tnode = getChildByValue(p_tnode, type, value);
-	if (t_tnode != NULL) {
-		TNode *p_fnode = t_tnode->father;
-		p_fnode->child_num--;
-		removeById(p_fnode->home, t_tnode->room->id);
-		releaseOnlyNode(t_tnode->room);
-		t_tnode->room = NULL;
-		return 0;
-	}
-	return -1;
-}
-
-TNode *getChildByIndex(TNode *p_tnode, unsigned long long index) {
-	List *p_home = p_tnode->home;
-	Node *p_node = p_home->head;
-	int m_index = 0;
-	if (index < p_tnode->child_num-1)
-	{
-		while (p_node != NULL) {
-			m_index++;
-			p_node = p_node->next;
-		}
-		return (TNode *)p_node->value;
-	}
-	return NULL;
-}
-
-unsigned long long getIndexByChild(TNode *f_tnode, TNode *c_tnode) {
-	List *p_home = f_tnode->home;
-	Node *p_node = p_home->head;
-	int m_index = 0;
-	while (p_node != NULL) {
-		TNode *p_tnode = (TNode *)p_node->value;
-		if (p_tnode->id == c_tnode->id) {
-			return m_index;
-		}
-		m_index++;
-		p_node = p_node->next;
-	}
-	return NULL;
-}
-
-int removeChildByIndex(TNode *p_tnode, unsigned long long index){
-	TNode *t_tnode = getChildByIndex(p_tnode, index);
-	if (t_tnode != NULL) {
-		TNode *p_fnode = t_tnode->father;
-		p_fnode->child_num--;
-		removeById(p_fnode->home, t_tnode->room->id);
-		releaseOnlyNode(t_tnode->room);
-		t_tnode->room = NULL;
-		return 0;
-	}
-	return -1;
-}
-
-int TreeThroughUp(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
-	TNode *p_tnode = p_tree->root;
-	if (p_tnode != NULL) {
-		func(p_tnode, 0);
-		if (p_tnode->child_num > 0) {
-			for (int i = 0; i < p_tnode->child_num; i++) {
-				if (_doTreeThroughDown(getChildByIndex(p_tnode, i), 1, func) == -1) {
-					break;
-				}
-			}
-		}
-	}
-	return 0;
-}
-
-int _doTreeThroughUp(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height)) {
-	if (p_tnode->child_num > 0) {
-		for (int i = 0; i < p_tnode->child_num; i++) {
-			if (_doTreeThroughDown(getChildByIndex(p_tnode, i), height + 1, func)) return -1;
-		}
-	}
-	int func_back = func(p_tnode, height);
-	if (func_back == -1)return -1;
-	return 0;
-}
-
-int TreeThroughDown(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
-	TNode *p_tnode = p_tree->root;
-	if (p_tree->root != NULL) {
-		if (p_tree->root->child_num > 0) {
-			func(p_tnode, 0);
-			for (int i = 0; i < p_tnode->child_num; i++) {
-				if (_doTreeThroughDown(getChildByIndex(p_tnode, i), 1, func) == -1) {
-					break;
-				}
-			}
-		}
-	}
-	return 0;
-}
-
-int _doTreeThroughDown(TNode *p_tnode, int height, int(*func)(TNode *, unsigned long long height)) {
-	int func_back = func(p_tnode, height);
-	if (p_tnode->child_num > 0) {
-		for (int i = 0; i < p_tnode->child_num; i++) {
-			if (_doTreeThroughDown(getChildByIndex(p_tnode, i), height + 1, func)) return -1;
-		}
-	}
-	if (func_back == -1)return -1;
-	return 0;
-}
-
-int TreeTravel(Tree *p_tree, int(*func)(TNode *, unsigned long long height)) {
-	TNode *p_tnode = p_tree->root;
-	unsigned long long height = 0;
-	if (p_tnode != NULL) {
-		int func_back = func(p_tnode, height);
-		while (func_back > -2) {
-			if (func_back > -1) {
-				p_tnode = getChildByIndex(func_back,func_back);
-				func(p_tnode, height + 1);
-			}
-			else
-			{
-				p_tnode = p_tnode->father;
-				func(p_tnode, height - 1);
-				
-			}
-		}
-	}
-	return 0;
-}
-int releaseTNode(TNode *p_tnode) {
-	if(p_tnode->child_num == 0){
-		releaseList(p_tnode->home);
-		if (p_tnode->father != NULL) {
-			removeChildById(p_tnode->father, p_tnode->id);
-		}
-		if (strcmp(p_tnode->type, "pointer")) {
-			if (!strcmp(p_tnode->type, "list")) {
-				releaseList((List *)p_tnode->value);
-			}
-			else {
-				free(p_tnode->value);
-			}
-		}
-		p_tnode->value = NULL;
-		p_tnode->type = NULL;
-		p_tnode->id = 0;
-		p_tnode->if_malloc = 0;
-		free(p_tnode);
-	}
-	return 0;
-}
-
-int _doreleaseTree(TNode *p_tnode, int height);
-
-int releaseTree(Tree *p_tree) {
-	TreeThroughUp(p_tree, _doreleaseTree);
-	p_tree->root = NULL;
-	p_tree->id = 0;
-	free(p_tree);
-}
-
-int _doreleaseTree(TNode *p_tnode, int height) {
-	releaseTNode(p_tnode);
-	return 0;
-}
+unsigned long long target_id;
+TNode *target_value_id;
 
 
-int releaseOnlyTree(Tree *p_tree) {
-	p_tree->id = 0;
-	p_tree->root = NULL;
-	free(p_tree);
-	return 0;
-}
-
-int releaseOnlyTNode(TNode *p_tnode) {
-	releaseList(p_tnode->home);
-	if (strcmp(p_tnode->type, "pointer")) {
-		if (!strcmp(p_tnode->type, "list")) {
-			releaseList((List *)p_tnode->value);
-		}
-		else {
-			free(p_tnode->value);
-		}
-	}
-	p_tnode->value = NULL;
-	p_tnode->type = NULL;
-	p_tnode->id = 0;
-	p_tnode->if_malloc = 0;
-	free(p_tnode);
-	return 0;
-}
-
-int releaseAllForTree(void) {
-	if (if_safeModeForTree) {
-		if_safeModeForTree = 0;
-		Node *p_node = tnode_list->head;
-		while (p_node != NULL) {
-			TNode *p_tnode = (TNode *)p_node->value;
-			releaseOnlyTNode(p_tnode);
-		}
-		Node *p_node = tree_list->head;
-		while (p_node != NULL) {
-			Tree *p_tree = (Tree *)p_node->value;
-			releaseOnlyTree(p_tree);
-		}
-		releaseList(tnode_list);
-		releaseList(tree_list);
-	}
-	return 0;
-}
\ No newline at end of file
+#endif
\ No newline at end of file