用C语言编写的字典，但搜索有误导性

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define TABLE_SIZE 100

typedef struct Node {
    char *key;
    char *value;
    struct Node *next;
} Node;

typedef struct HashTable {
    Node *table[TABLE_SIZE];
} HashTable;

unsigned int hash(const char *key) {
    unsigned int hash = 0;
    for (int i = 0; key[i] != '\0'; i++) {
        hash = (hash << 5) + key[i];
    }
    return hash % TABLE_SIZE;
}

HashTable *createHashTable() {
    HashTable *ht = malloc(sizeof(HashTable));
    memset(ht->table, 0, TABLE_SIZE * sizeof(Node *));
    return ht;
}

void insert(HashTable *ht, const char *key, const char *value) {
    unsigned int index = hash(key);
    Node *newNode = malloc(sizeof(Node));
    newNode->key = strdup(key);
    newNode->value = strdup(value);
    newNode->next = NULL;

    if (ht->table[index] == NULL) {
        ht->table[index] = newNode;
    } else {
        Node *current = ht->table[index];
        while (current->next != NULL) {
            current = current->next;
        }
        current->next = newNode;
    }
}

char *search(HashTable *ht, const char *key) {
    unsigned int index = hash(key);
    Node *current = ht->table[index];
    while (current != NULL) {
        if (strcmp(current->key, key) == 0) {
            return current->value;
        }
        current = current->next;
    }
    return NULL;
}

int main() {
    HashTable *ht = createHashTable();
    insert(ht, "name", "Alice");
    insert(ht, "age", "30");

    printf("Name: %s\n", search(ht, "name"));
    printf("Age: %s\n", search(ht, "age"));

    return 0;
}