diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/constant/LatLonSizeConstants.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/constant/LatLonSizeConstants.java
index 56a16d3..edf2c54 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/common/constant/LatLonSizeConstants.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/constant/LatLonSizeConstants.java
@@ -4,6 +4,8 @@ public class LatLonSizeConstants {
     // 网格参数
     public static final int LAT_SIZE = 721;    // 纬度方向网格数
     public static final int LON_SIZE = 1440;   // 经度方向网格数
+    public static final int LAT_SIZE_181 = 181;    // 纬度方向网格数
+    public static final int LON_SIZE_360 = 360;   // 经度方向网格数
     public static final double LAT_START = 90.0;   // 纬度起始值(北纬)
     public static final double LAT_END = -90.0;    // 纬度结束值(南纬)
     public static final double LON_START = 0.0;    // 经度起始值
diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExecutePyUtils.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExecutePyUtils.java
index 62f4e57..9fcad2c 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExecutePyUtils.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExecutePyUtils.java
@@ -15,7 +15,7 @@ import java.util.concurrent.TimeoutException;
 @Slf4j
 public class ExecutePyUtils {
 
-    private static final int PROCESS_TIMEOUT_SECONDS = 3600; // 30分钟超时
+    private static final int PROCESS_TIMEOUT_SECONDS = 36000;
     /**
      * 执行Python进程
      */
diff --git a/jeecg-module-weather/src/main/java/org/jeecg/service/impl/WeatherDataServiceImpl.java b/jeecg-module-weather/src/main/java/org/jeecg/service/impl/WeatherDataServiceImpl.java
index df2c46b..302310c 100644
--- a/jeecg-module-weather/src/main/java/org/jeecg/service/impl/WeatherDataServiceImpl.java
+++ b/jeecg-module-weather/src/main/java/org/jeecg/service/impl/WeatherDataServiceImpl.java
@@ -166,7 +166,7 @@ public class WeatherDataServiceImpl extends ServiceImpl<WeatherDataMapper, Weath
         List<String> windSpeedList = new ArrayList<>();
 
         // 获取网格索引
-        int[] gridIndex = getGridIndex(latitude, longitude);
+        int[] gridIndex = null;
         int hourInterval = 6;
 
         // 循环处理每个时间点的数据
@@ -175,6 +175,9 @@ public class WeatherDataServiceImpl extends ServiceImpl<WeatherDataMapper, Weath
             String filePath = getWeatherFilePath(weatherDataList, currentTime);
             if (isFileValid(filePath)) {
                 try {
+                    if(null == gridIndex){
+                        gridIndex = getGridIndex(latitude, longitude, filePath);
+                    }
                     processCommonData(filePath, gridIndex, currentTime, timeList, temperatureList,
                             pressureList, humidityList, windSpeedList, dataType);
                 } catch (Exception e) {
@@ -250,7 +253,7 @@ public class WeatherDataServiceImpl extends ServiceImpl<WeatherDataMapper, Weath
             throw new IllegalArgumentException("时间范围内没有气象数据");
         }
 
-        int[] gridIndex = getGridIndex(latitude, longitude);
+        int[] gridIndex = null;
         Map<String, String> variables = getVariableNames(dataType);
         List<Double> uValues = new ArrayList<>();
         List<Double> vValues = new ArrayList<>();
@@ -263,6 +266,9 @@ public class WeatherDataServiceImpl extends ServiceImpl<WeatherDataMapper, Weath
                 String filePath = getWeatherFilePath(weatherDataList, currentTime);
 
                 if (isFileValid(filePath)) {
+                    if(null == gridIndex){
+                        gridIndex = getGridIndex(latitude, longitude, filePath);
+                    }
                     try (NetcdfFile ncFile = NetcdfFile.open(filePath)) {
                         uValues.add(getNcValueByIndex(ncFile, variables.get("windU"), gridIndex[0], gridIndex[1]));
                         vValues.add(getNcValueByIndex(ncFile, variables.get("windV"), gridIndex[0], gridIndex[1]));
@@ -1106,18 +1112,29 @@ public class WeatherDataServiceImpl extends ServiceImpl<WeatherDataMapper, Weath
      * @param longitude 经度(-180到180)
      * @return 包含纬度和经度下标的数组 [latIndex, lonIndex]
      */
-    public static int[] getGridIndex(double latitude, double longitude) {
-        // 计算纬度下标 (从北到南)
-        double latStep = (LAT_START - LAT_END) / (LAT_SIZE - 1);
-        int latIndex = (int) Math.round((LAT_START - latitude) / latStep);
-        latIndex = Math.max(0, Math.min(latIndex, LAT_SIZE - 1));
+    public static int[] getGridIndex(double latitude, double longitude, String filePath) {
 
-        // 计算经度下标 (从西到东)
-        double lonStep = (LON_END - LON_START) / (LON_SIZE - 1);
-        int lonIndex = (int) Math.round((longitude - LON_START) / lonStep);
-        lonIndex = Math.max(0, Math.min(lonIndex, LON_SIZE - 1));
+        try (NetcdfFile ncFile = NetcdfFile.open(filePath)) {
+            Integer lat = ncFile.findDimension("lat").getLength();
+            Integer lon = ncFile.findDimension("lon").getLength();
 
-        return new int[]{latIndex, lonIndex};
+            Integer latSize = lat < LAT_SIZE ? LAT_SIZE_181 : LAT_SIZE;
+            Integer lonSize = lon < LON_SIZE ? LON_SIZE_360 : LON_SIZE;
+
+            // 计算纬度下标 (从北到南)
+            double latStep = (LAT_START - LAT_END) / (latSize - 1);
+            int latIndex = (int) Math.round((LAT_START - latitude) / latStep);
+            latIndex = Math.max(0, Math.min(latIndex, latSize - 1));
+
+            // 计算经度下标 (从西到东)
+            double lonStep = (LON_END - LON_START) / (lonSize - 1);
+            int lonIndex = (int) Math.round((longitude - LON_START) / lonStep);
+            lonIndex = Math.max(0, Math.min(lonIndex, lonSize - 1));
+
+            return new int[]{latIndex, lonIndex};
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
     }
 
     /**