diff --git a/getPrecisions.cpp b/getPrecisions.cpp
new file mode 100644
index 0000000..996bfb9
--- /dev/null
+++ b/getPrecisions.cpp
@@ -0,0 +1,86 @@
+#include <json/json.h>
+#include <curl/curl.h>
+
+// 函数：获取精度信息
+std::map<std::string, std::string> getPrecisions(const std::string& platform) {
+    std::map<std::string, std::string> precisions;
+    CURL* curl;
+    CURLcode res;
+    std::string response;
+    
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+    curl = curl_easy_init();
+    if (curl) {
+        // 定义请求 URL
+        std::string url = "http://43.133.213.20:8001/api/v1/PrecisionInfo/platform";
+        
+        // 定义请求数据
+        std::string query = "platform=" + platform;
+
+        // 设置 CURL 选项
+        curl_easy_setopt(curl, CURLOPT_URL, (url + "?" + query).c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
+        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 15L); // 设置超时时间为15秒
+
+        // 执行请求
+        res = curl_easy_perform(curl);
+        if (res != CURLE_OK) {
+            std::cerr << "getPrecisions failed: " << curl_easy_strerror(res) << std::endl;
+        } else {
+            Json::Value jsonData;
+            Json::CharReaderBuilder readerBuilder;
+            std::string errs;
+
+            std::istringstream responseStream(response);
+            if (Json::parseFromStream(readerBuilder, responseStream, &jsonData, &errs)) {
+                for (const auto& key : jsonData.getMemberNames()) {
+                    // std::cout << key << ": " << jsonData[key] << std::endl;
+                    precisions[key] = jsonData[key].toStyledString();
+                }
+            } else {
+                std::cerr << "解析 JSON 失败: " << errs << std::endl;
+            }
+        }
+        // 清理
+        curl_easy_cleanup(curl);
+    }
+    curl_global_cleanup();
+    
+    return precisions;
+}
+
+
+ // 调用示例
+std::map<std::string, std::string> precisions = getPrecisions(platform);
+
+// 打印解析后的结果（如果解析了的话）
+for (const auto& kv : precisions) {
+    if (kv.first == GateSwapUSymbolLower) {
+        std::cout << kv.first << ": " << kv.second << std::endl;
+        Json::Value jsonData;
+        Json::CharReaderBuilder readerBuilder;
+        std::string errs;
+
+        std::istringstream responseStream(kv.second);
+        if (Json::parseFromStream(readerBuilder, responseStream, &jsonData, &errs)) {
+            double min_size = jsonData["min_size"].asDouble();
+            double min_value = jsonData["min_value"].asDouble();
+            double price_decimal = jsonData["price_decimal"].asDouble();
+            int price_precision = jsonData["price_precision"].asInt();
+            int real_size_precision = jsonData["real_size_precision"].asInt();
+            GateSwapUsize_decimal = jsonData["size_decimal"].asDouble();
+            int size_precision = jsonData["size_precision"].asInt();
+
+            std::cout << "min_size: " << min_size << std::endl;
+            std::cout << "min_value: " << min_value << std::endl;
+            std::cout << "price_decimal: " << price_decimal << std::endl;
+            std::cout << "price_precision: " << price_precision << std::endl;
+            std::cout << "real_size_precision: " << real_size_precision << std::endl;
+            std::cout << "GateSwapUsize_decimal: " << GateSwapUsize_decimal << std::endl;
+            std::cout << "size_precision: " << size_precision << std::endl;
+        } else {
+            std::cerr << "解析 JSON 失败: " << errs << std::endl;
+        }
+    }
+}
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