diff --git a/src/include/client.h b/src/include/client.h
index b98a91b..9ab21f4 100644
--- a/src/include/client.h
+++ b/src/include/client.h
@@ -10,11 +10,10 @@
 #include <queue>
 #include <random>
 #include <set>
-#include <utility>
-#include <vector>
-
 #include <unordered_map>
 #include <unordered_set>
+#include <utility>
+#include <vector>
 
 #include "data.h"
 #include "zb64.h"
@@ -27,42 +26,35 @@ bool already_have[14348907];
 int rid[15] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
 int cid[15] = {0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4};
 class HashTable {
+  static const int buf_size=44348907;
   struct Node {
     LL key;
     unsigned char value;
     Node *next;
-    Node(LL k, unsigned char v) : key(k), value(v), next(nullptr) {}
+    // Node(LL k, unsigned char v) : key(k), value(v), next(nullptr) {}
   };
-  Node *table[14348907];
+  Node *table[buf_size], mem[buf_size], *cur = mem;
 
  public:
   HashTable() {
-    for (int i = 0; i < 14348907; i++) table[i] = nullptr;
-  }
-  ~HashTable() {
-    for (int i = 0; i < 14348907; i++) {
-      Node *p = table[i];
-      while (p) {
-        Node *q = p->next;
-        delete p;
-        p = q;
-      }
-    }
+    for (int i = 0; i < buf_size; i++) table[i] = nullptr;
   }
+  ~HashTable() {}
   unsigned char &operator[](LL key) {
-    int index = key % 14348907;
+    int index = key % buf_size;
     Node *p = table[index];
     while (p) {
       if (p->key == key) return p->value;
       p = p->next;
     }
-    p = new Node(key, 0);
+    p = cur++;
+    p->key = key;
     p->next = table[index];
     table[index] = p;
     return p->value;
   }
   bool have(LL key) {
-    int index = key % 14348907;
+    int index = key % buf_size;
     Node *p = table[index];
     while (p) {
       if (p->key == key) return true;
@@ -684,7 +676,7 @@ double EstimateProb(std::pair<int, int> pos, double default_p = 0.06) {
         visible_status / (vis_line_base * vis_line_base);
     if (DataLoad::visible_to_probability.have(visible_status))
       ps.push_back(DataLoad::visible_to_probability[visible_status] / 255.0);
-    if (DataLoad::visible_to_probability.have(invers_vis_status) )
+    if (DataLoad::visible_to_probability.have(invers_vis_status))
       ps.push_back(DataLoad::visible_to_probability[invers_vis_status] / 255.0);
   }
   for (int i = 0; i < ps.size(); i++) res += ps[i] * ps[i];
diff --git a/src/include/dataload.h b/src/include/dataload.h
deleted file mode 100644
index 438563a..0000000
--- a/src/include/dataload.h
+++ /dev/null
@@ -1,109 +0,0 @@
-#include <unordered_map>
-#include <unordered_set>
-
-#include "data.h"
-#include "zb64.h"
-namespace DataLoad {
-typedef long long LL;
-const int buf_size = 4412555 * 4;
-unsigned char buf[buf_size], data[buf_size];
-bool already_have[14348907];
-// std::unordered_map<LL,unsigned char> visible_to_probability;
-int rid[15] = {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
-int cid[15] = {0, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4};
-class HashTable {
-  struct Node {
-    LL key;
-    unsigned char value;
-    Node *next;
-    Node(LL k, unsigned char v) : key(k), value(v), next(nullptr) {}
-  };
-  Node *table[14348907];
-
- public:
-  HashTable() {
-    for (int i = 0; i < 14348907; i++) table[i] = nullptr;
-  }
-  ~HashTable() {
-    for (int i = 0; i < 14348907; i++) {
-      Node *p = table[i];
-      while (p) {
-        Node *q = p->next;
-        delete p;
-        p = q;
-      }
-    }
-  }
-  unsigned char &operator[](LL key) {
-    int index = key % 14348907;
-    Node *p = table[index];
-    while (p) {
-      if (p->key == key) return p->value;
-      p = p->next;
-    }
-    p = new Node(key, 0);
-    p->next = table[index];
-    table[index] = p;
-    return p->value;
-  }
-  bool have(LL key) {
-    int index = key % 14348907;
-    Node *p = table[index];
-    while (p) {
-      if (p->key == key) return true;
-      p = p->next;
-    }
-    return false;
-  }
-} visible_to_probability;
-}  // namespace DataLoad
-void LoadData() {
-  using namespace DataLoad;
-  size_t raw_length = base64_decode(pre_calc_prob, buf, buf_size);
-  size_t data_length = decompressData(buf, raw_length, data, buf_size);
-  //   std::cout<<"decompress finished.\n"<<std::endl;
-  //   already_have.rehash(4412555);
-  //   visible_to_probability.rehash(4412555);
-  const LL raw_line_base = 243;
-  const LL vis_line_base = 100000;
-  int cnt = 0;
-  for (int status = 0; status < 14348907; status++) {
-    LL inverse_status =
-        (status % raw_line_base) * raw_line_base * raw_line_base +
-        ((status / raw_line_base) % raw_line_base) * raw_line_base +
-        (status / (raw_line_base * raw_line_base));
-    if (already_have[inverse_status]) continue;
-    // assert(already_have.find(status) == already_have.end());
-    already_have[status] = true;
-    int inner_mp[3][5] = {0}, visible_map[3][5];
-    LL status_tmp = status;
-    for (int i = 0; i < 15; i++) {
-      int row = rid[i], col = cid[i];
-      inner_mp[row][col] = (status_tmp % 3);  // uncode the inner_status
-      status_tmp /= 3;
-    }
-    for (int row = 0; row < 3; row++)
-      for (int col = 0; col < 5; col++) {
-        if (inner_mp[row][col] == 0 || inner_mp[row][col] == 1) {
-          visible_map[row][col] = 9;  // 9 means unshown to player
-        } else {
-          int mcnt = 0;
-          const int dx[8] = {-1, -1, -1, 0, 0, 1, 1, 1},
-                    dy[8] = {-1, 0, 1, -1, 1, -1, 0, 1};
-          for (int i = 0; i < 8; i++) {
-            int nr = row + dx[i], nc = col + dy[i];
-            if (nr < 0 || nr >= 3 || nc < 0 || nc >= 5) continue;
-            mcnt += (inner_mp[nr][nc] == 0 ? 1 : 0);
-          }
-          visible_map[row][col] = mcnt;
-        }
-      }
-    LL visible_status = 0;
-    for (int i = 0; i < 15; i++) {
-      int row = rid[i], col = cid[i];
-      visible_status = visible_status * 10 + visible_map[row][col];
-    }
-    visible_to_probability[visible_status] = data[cnt++];
-  }
-  //   std::cout<<"Load data finished.\n"<<std::endl;
-}
\ No newline at end of file