diff --git a/backend/src/main/java/com/yfd/platform/qgc_env/zq/controller/ZqMonitorController.java b/backend/src/main/java/com/yfd/platform/qgc_env/zq/controller/ZqMonitorController.java
index b08b9126..bfbe270a 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_env/zq/controller/ZqMonitorController.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_env/zq/controller/ZqMonitorController.java
@@ -41,6 +41,12 @@ public class ZqMonitorController {
         return ResponseResult.successData(zqMonitorService.getRiverKendoListCust(dataSourceRequest));
     }
 
+    @PostMapping("/river/day/GetKendoListCust")
+    @Operation(summary = "查询流量站日数据")
+    public ResponseResult getRiverDayKendoListCust(@RequestBody DataSourceRequest dataSourceRequest) {
+        return ResponseResult.successData(zqMonitorService.getRiverDayKendoListCust(dataSourceRequest));
+    }
+
     @GetMapping("/msstbprpt/getStcdInfo")
     @Operation(summary = "根据站码查询单条水文站基础数据")
     public ResponseResult getStcdInfo(@RequestParam String stcd) {
diff --git a/backend/src/main/java/com/yfd/platform/qgc_env/zq/entity/vo/ZqRiverDayDataVo.java b/backend/src/main/java/com/yfd/platform/qgc_env/zq/entity/vo/ZqRiverDayDataVo.java
new file mode 100644
index 00000000..6a448b64
--- /dev/null
+++ b/backend/src/main/java/com/yfd/platform/qgc_env/zq/entity/vo/ZqRiverDayDataVo.java
@@ -0,0 +1,77 @@
+package com.yfd.platform.qgc_env.zq.entity.vo;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.Date;
+
+@Data
+@Schema(description = "流量站日数据")
+public class ZqRiverDayDataVo {
+
+    @Schema(description = "主键ID")
+    private String id;
+
+    @Schema(description = "站码")
+    private String stcd;
+
+    @Schema(description = "所属电站编码")
+    private String rstcd;
+
+    @Schema(description = "所属电站名称")
+    private String ennm;
+
+    @Schema(description = "站点名称")
+    private String stnm;
+
+    @Schema(description = "基地编码")
+    private String baseId;
+
+    @Schema(description = "基地名称")
+    private String baseName;
+
+    @JsonFormat(pattern = "yyyy-MM-dd", timezone = "GMT+8")
+    @Schema(description = "日期")
+    private Date dt;
+
+    @Schema(description = "水位")
+    private BigDecimal z;
+
+    @Schema(description = "流量")
+    private BigDecimal q;
+
+    @Schema(description = "流速")
+    private BigDecimal v;
+
+    @Schema(description = "测流方法")
+    private String msqmt;
+
+    @Schema(description = "站址")
+    private String stlc;
+
+    @Schema(description = "创建人")
+    private String recordUser;
+
+    @Schema(description = "创建时间")
+    private Date recordTime;
+
+    @Schema(description = "更新人")
+    private String modifyUser;
+
+    @Schema(description = "更新时间")
+    private Date modifyTime;
+
+    @Schema(description = "基地排序")
+    private Integer baseStepSort;
+
+    @Schema(description = "流域排序")
+    private Integer rvcdStepSort;
+
+    @Schema(description = "电站排序")
+    private Integer rstcdStepSort;
+
+    @Schema(description = "站点排序")
+    private Integer siteStepSort;
+}
diff --git a/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/ZqMonitorService.java b/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/ZqMonitorService.java
index 9c5aff7a..983ec39e 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/ZqMonitorService.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/ZqMonitorService.java
@@ -3,6 +3,7 @@ package com.yfd.platform.qgc_env.zq.service;
 import com.yfd.platform.common.DataSourceRequest;
 import com.yfd.platform.common.DataSourceResult;
 import com.yfd.platform.qgc_env.zq.entity.vo.ZqBaseInfoVo;
+import com.yfd.platform.qgc_env.zq.entity.vo.ZqRiverDayDataVo;
 import com.yfd.platform.qgc_env.zq.entity.vo.ZqRiverDataVo;
 
 public interface ZqMonitorService {
@@ -13,5 +14,7 @@ public interface ZqMonitorService {
 
     DataSourceResult<ZqRiverDataVo> getRiverKendoListCust(DataSourceRequest dataSourceRequest);
 
+    DataSourceResult<ZqRiverDayDataVo> getRiverDayKendoListCust(DataSourceRequest dataSourceRequest);
+
     ZqBaseInfoVo getStcdInfo(String stcd);
 }
diff --git a/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/impl/ZqMonitorServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/impl/ZqMonitorServiceImpl.java
index b95f56e2..90d475a6 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/impl/ZqMonitorServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_env/zq/service/impl/ZqMonitorServiceImpl.java
@@ -12,6 +12,7 @@ import com.yfd.platform.common.MicroservicDynamicSQLMapper;
 import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_env.fh.entity.vo.HabitatVo;
 import com.yfd.platform.qgc_env.zq.entity.vo.ZqBaseInfoVo;
+import com.yfd.platform.qgc_env.zq.entity.vo.ZqRiverDayDataVo;
 import com.yfd.platform.qgc_env.zq.entity.vo.ZqRiverDataVo;
 import com.yfd.platform.qgc_env.zq.service.ZqMonitorService;
 import com.yfd.platform.utils.QgcQueryWrapperUtil;
@@ -132,6 +133,15 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return queryRiverGroupList(dataSourceRequest, loadOptions);
     }
 
+    @Override
+    public DataSourceResult<ZqRiverDayDataVo> getRiverDayKendoListCust(DataSourceRequest dataSourceRequest) {
+        DataSourceLoadOptionsBase loadOptions = dataSourceRequest == null ? null : dataSourceRequest.toDevRequest();
+        if (CollUtil.isEmpty(dataSourceRequest == null ? null : dataSourceRequest.getGroup())) {
+            return queryRiverDayDetailList(dataSourceRequest, loadOptions);
+        }
+        return queryRiverDayGroupList(dataSourceRequest, loadOptions);
+    }
+
     @Override
     public ZqBaseInfoVo getStcdInfo(String stcd) {
         if (StrUtil.isBlank(stcd)) {
@@ -232,6 +242,100 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return result;
     }
 
+    private DataSourceResult<ZqRiverDayDataVo> queryRiverDayDetailList(DataSourceRequest dataSourceRequest,
+                                                                       DataSourceLoadOptionsBase loadOptions) {
+        StringBuilder sql = new StringBuilder();
+        sql.append("SELECT ")
+                .append(buildRiverDayDetailSelectSql(dataSourceRequest == null ? null : dataSourceRequest.getSelect()))
+                .append(" FROM (")
+                .append(buildRiverDayCoreSql())
+                .append(") t WHERE 1 = 1 ");
+
+        Map<String, Object> paramMap = new HashMap<>();
+        String filterSql = buildRiverDayFilterCondition(dataSourceRequest == null ? null : dataSourceRequest.getFilter(), paramMap, new int[]{0});
+        if (StrUtil.isNotBlank(filterSql)) {
+            sql.append(" AND ").append(filterSql).append(" ");
+        }
+        sql.append(buildRiverDayOrderBySql(dataSourceRequest == null ? null : dataSourceRequest.getSort()));
+
+        Page<?> page = loadOptions == null ? null : QgcQueryWrapperUtil.buildPage(loadOptions, loadOptions.getSkip(), loadOptions.getTake());
+        List<ZqRiverDayDataVo> list = microservicDynamicSQLMapper.pageAllListWithResultType(page, sql.toString(), paramMap, ZqRiverDayDataVo.class);
+        DataSourceResult<ZqRiverDayDataVo> result = new DataSourceResult<>();
+        result.setData(list);
+        result.setTotal(page != null ? page.getTotal() : list.size());
+        result.setAggregates(new HashMap<>());
+        return result;
+    }
+
+    private DataSourceResult<ZqRiverDayDataVo> queryRiverDayGroupList(DataSourceRequest dataSourceRequest,
+                                                                      DataSourceLoadOptionsBase loadOptions) {
+        List<DataSourceRequest.GroupDescriptor> groups = dataSourceRequest.getGroup();
+        GroupingInfo[] groupInfos = loadOptions == null ? new GroupingInfo[0] : loadOptions.getGroup();
+
+        StringBuilder sql = new StringBuilder("SELECT ");
+        List<String> selectItems = new ArrayList<>();
+        for (DataSourceRequest.GroupDescriptor descriptor : groups) {
+            if (descriptor == null || StrUtil.isBlank(descriptor.getField())) {
+                continue;
+            }
+            String column = mapRiverDayColumn(descriptor.getField());
+            if (StrUtil.isBlank(column)) {
+                continue;
+            }
+            selectItems.add(column + " AS " + descriptor.getField().toUpperCase());
+            selectItems.add("COUNT(*) AS COUNT_" + descriptor.getField().toUpperCase());
+            if (CollUtil.isNotEmpty(descriptor.getAggregates())) {
+                for (DataSourceRequest.AggregateDescriptor aggregate : descriptor.getAggregates()) {
+                    String aggregateColumn = mapRiverDayColumn(aggregate.getField());
+                    if (StrUtil.isBlank(aggregateColumn) || StrUtil.isBlank(aggregate.getAggregate())) {
+                        continue;
+                    }
+                    selectItems.add(buildRiverAggregateSql(aggregate.getAggregate(), aggregateColumn, aggregate.getField()));
+                }
+            }
+        }
+        if (selectItems.isEmpty()) {
+            selectItems.add("t.STCD AS STCD");
+            selectItems.add("COUNT(*) AS COUNT_STCD");
+        }
+        sql.append(String.join(", ", selectItems))
+                .append(" FROM (")
+                .append(buildRiverDayCoreSql())
+                .append(") t WHERE 1 = 1 ");
+
+        Map<String, Object> paramMap = new HashMap<>();
+        String filterSql = buildRiverDayFilterCondition(dataSourceRequest == null ? null : dataSourceRequest.getFilter(), paramMap, new int[]{0});
+        if (StrUtil.isNotBlank(filterSql)) {
+            sql.append(" AND ").append(filterSql).append(" ");
+        }
+
+        List<String> groupByColumns = new ArrayList<>();
+        for (DataSourceRequest.GroupDescriptor descriptor : groups) {
+            if (descriptor == null || StrUtil.isBlank(descriptor.getField())) {
+                continue;
+            }
+            String column = mapRiverDayColumn(descriptor.getField());
+            if (StrUtil.isNotBlank(column)) {
+                groupByColumns.add(column);
+            }
+        }
+        if (!groupByColumns.isEmpty()) {
+            sql.append(" GROUP BY ").append(String.join(", ", groupByColumns)).append(" ");
+        }
+        sql.append(buildRiverDayGroupOrderBySql(groups));
+
+        List<Map<String, Object>> rows = microservicDynamicSQLMapper.pageAllList(null, sql.toString(), paramMap);
+        DataSourceResult result = new DataSourceResult();
+        if (Boolean.TRUE.equals(dataSourceRequest.getGroupResultFlat())) {
+            result.setData(new GroupHelper().faltGroup(rows, Arrays.asList(groupInfos)));
+        } else {
+            result.setData(new GroupHelper().group(rows, Arrays.asList(groupInfos)));
+        }
+        result.setTotal(0L);
+        result.setAggregates(new HashMap<>());
+        return result;
+    }
+
     private DataSourceResult<ZqRiverDataVo> queryRiverGroupList(DataSourceRequest dataSourceRequest,
                                                                 DataSourceLoadOptionsBase loadOptions) {
         List<DataSourceRequest.GroupDescriptor> groups = dataSourceRequest.getGroup();
@@ -379,6 +483,49 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
                 "eng.RVCD, rv.RVNM, eng.HBRVCD, hbrv.HBRVNM, rb.BLDSTT_CODE, hb.ORDER_INDEX, along.ORDER_INDEX, rstSort.SORT, siteSort.SORT";
     }
 
+    private String buildRiverDayCoreSql() {
+        return "SELECT " +
+                "day.ID AS id, " +
+                "day.STCD AS stcd, " +
+                "rb.RSTCD AS rstcd, " +
+                "eng.ENNM AS ennm, " +
+                "rb.STNM AS stnm, " +
+                "eng.BASE_ID AS baseId, " +
+                "hb.BASENAME AS baseName, " +
+                "day.DT AS dt, " +
+                "day.Z AS z, " +
+                "day.Q AS q, " +
+                "day.V AS v, " +
+                "day.MSQMT AS msqmt, " +
+                "rb.STLC AS stlc, " +
+                "day.RECORD_USER AS recordUser, " +
+                "day.RECORD_TIME AS recordTime, " +
+                "day.MODIFY_USER AS modifyUser, " +
+                "day.MODIFY_TIME AS modifyTime, " +
+                "NVL(hb.ORDER_INDEX, 999999) AS baseStepSort, " +
+                "NVL(along.ORDER_INDEX, 999999) AS rvcdStepSort, " +
+                "NVL(rstSort.SORT, 999999) AS rstcdStepSort, " +
+                "NVL(siteSort.SORT, 999999) AS siteStepSort " +
+                "FROM SD_RIVERDAY_S day " +
+                "INNER JOIN SD_RIVER_B_H rb ON rb.STCD = day.STCD AND rb.STTP = 'ZQ' AND NVL(rb.IS_DELETED, 0) = 0 " +
+                "LEFT JOIN SD_ENGINFO_B_H eng ON eng.STCD = rb.RSTCD AND NVL(eng.IS_DELETED, 0) = 0 " +
+                "LEFT JOIN SD_HYDROBASE hb ON hb.BASEID = eng.BASE_ID AND NVL(hb.IS_DELETED, 0) = 0 " +
+                "LEFT JOIN MS_ALONG_B along ON along.RVCD = eng.HBRVCD AND along.CODE = 'common' AND NVL(along.IS_DELETED, 0) = 0 " +
+                "LEFT JOIN ( " +
+                "  SELECT det.SORT, cfg.RVCD, det.STCD " +
+                "  FROM MS_ALONGDET_B det " +
+                "  INNER JOIN MS_ALONG_B cfg ON det.ALONG_ID = cfg.ID " +
+                "  WHERE NVL(det.IS_DELETED, 0) = 0 AND NVL(cfg.IS_DELETED, 0) = 0 AND cfg.CODE = 'common' " +
+                ") rstSort ON rstSort.RVCD = eng.HBRVCD AND rstSort.STCD = rb.RSTCD " +
+                "LEFT JOIN ( " +
+                "  SELECT det.SORT, cfg.RVCD, det.STCD " +
+                "  FROM MS_ALONGDET_B det " +
+                "  INNER JOIN MS_ALONG_B cfg ON det.ALONG_ID = cfg.ID " +
+                "  WHERE NVL(det.IS_DELETED, 0) = 0 AND NVL(cfg.IS_DELETED, 0) = 0 AND cfg.CODE = 'common' " +
+                ") siteSort ON siteSort.RVCD = eng.HBRVCD AND siteSort.STCD = rb.STCD " +
+                "WHERE NVL(day.IS_DELETED, 0) = 0 ";
+    }
+
     private String buildRiverFilterCondition(DataSourceRequest.FilterDescriptor filter,
                                              Map<String, Object> paramMap,
                                              int[] indexHolder) {
@@ -405,6 +552,32 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return String.join(logic, conditions);
     }
 
+    private String buildRiverDayFilterCondition(DataSourceRequest.FilterDescriptor filter,
+                                                Map<String, Object> paramMap,
+                                                int[] indexHolder) {
+        if (filter == null) {
+            return "";
+        }
+        if (StrUtil.isNotBlank(filter.getField())) {
+            return buildRiverDayLeafCondition(filter, paramMap, indexHolder);
+        }
+        if (CollUtil.isEmpty(filter.getFilters())) {
+            return "";
+        }
+        List<String> conditions = new ArrayList<>();
+        for (DataSourceRequest.FilterDescriptor child : filter.getFilters()) {
+            String childSql = buildRiverDayFilterCondition(child, paramMap, indexHolder);
+            if (StrUtil.isNotBlank(childSql)) {
+                conditions.add("(" + childSql + ")");
+            }
+        }
+        if (conditions.isEmpty()) {
+            return "";
+        }
+        String logic = "or".equalsIgnoreCase(filter.getLogic()) ? " OR " : " AND ";
+        return String.join(logic, conditions);
+    }
+
     private String buildRiverLeafCondition(DataSourceRequest.FilterDescriptor filter,
                                            Map<String, Object> paramMap,
                                            int[] indexHolder) {
@@ -486,6 +659,83 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         };
     }
 
+    private String buildRiverDayLeafCondition(DataSourceRequest.FilterDescriptor filter,
+                                              Map<String, Object> paramMap,
+                                              int[] indexHolder) {
+        String field = filter.getField();
+        String operator = StrUtil.blankToDefault(filter.getOperator(), "eq").toLowerCase();
+        Object value = filter.getValue();
+        String column = mapRiverDayColumn(field);
+        if (StrUtil.isBlank(column)) {
+            return "";
+        }
+        if ("isnull".equals(operator)) {
+            return column + " IS NULL";
+        }
+        if ("isnotnull".equals(operator)) {
+            return column + " IS NOT NULL";
+        }
+        boolean dateField = "dt".equalsIgnoreCase(field) || "DT".equals(field) || "recordTime".equalsIgnoreCase(field) || "modifyTime".equalsIgnoreCase(field);
+        if ("in".equals(operator)) {
+            List<Object> values = normalizeRiverValues(value);
+            if (values.isEmpty()) {
+                return "";
+            }
+            List<String> placeholders = new ArrayList<>();
+            for (Object item : values) {
+                String key = "zqRiverDayP" + indexHolder[0]++;
+                paramMap.put(key, item);
+                placeholders.add(buildRiverValueExpr(key, dateField, item));
+            }
+            return column + " IN (" + String.join(", ", placeholders) + ")";
+        }
+        if (value == null) {
+            return "";
+        }
+
+        String key = "zqRiverDayP" + indexHolder[0]++;
+        String valueExpr = buildRiverValueExpr(key, dateField, value);
+        return switch (operator) {
+            case "eq" -> {
+                paramMap.put(key, value);
+                yield column + " = " + valueExpr;
+            }
+            case "neq" -> {
+                paramMap.put(key, value);
+                yield column + " <> " + valueExpr;
+            }
+            case "contains" -> {
+                paramMap.put(key, "%" + value + "%");
+                yield column + " LIKE #{map." + key + "}";
+            }
+            case "startswith" -> {
+                paramMap.put(key, value + "%");
+                yield column + " LIKE #{map." + key + "}";
+            }
+            case "endswith" -> {
+                paramMap.put(key, "%" + value);
+                yield column + " LIKE #{map." + key + "}";
+            }
+            case "gt" -> {
+                paramMap.put(key, value);
+                yield column + " > " + valueExpr;
+            }
+            case "gte" -> {
+                paramMap.put(key, value);
+                yield column + " >= " + valueExpr;
+            }
+            case "lt" -> {
+                paramMap.put(key, value);
+                yield column + " < " + valueExpr;
+            }
+            case "lte" -> {
+                paramMap.put(key, value);
+                yield column + " <= " + valueExpr;
+            }
+            default -> "";
+        };
+    }
+
     private String buildRiverVdidCondition(String operator,
                                            Object value,
                                            Map<String, Object> paramMap,
@@ -582,6 +832,36 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         };
     }
 
+    private String mapRiverDayColumn(String field) {
+        if (StrUtil.isBlank(field)) {
+            return null;
+        }
+        return switch (field) {
+            case "id" -> "t.ID";
+            case "stcd" -> "t.STCD";
+            case "rstcd" -> "t.RSTCD";
+            case "ennm" -> "t.ENNM";
+            case "stnm" -> "t.STNM";
+            case "baseId" -> "t.BASEID";
+            case "baseName" -> "t.BASENAME";
+            case "dt", "DT" -> "t.DT";
+            case "z" -> "t.Z";
+            case "q" -> "t.Q";
+            case "v" -> "t.V";
+            case "msqmt" -> "t.MSQMT";
+            case "stlc" -> "t.STLC";
+            case "recordUser" -> "t.RECORDUSER";
+            case "recordTime" -> "t.RECORDTIME";
+            case "modifyUser" -> "t.MODIFYUSER";
+            case "modifyTime" -> "t.MODIFYTIME";
+            case "baseStepSort" -> "t.BASESTEPSORT";
+            case "rvcdStepSort" -> "t.RVCDSTEPSORT";
+            case "rstcdStepSort" -> "t.RSTCDSTEPSORT";
+            case "siteStepSort" -> "t.SITESTEPSORT";
+            default -> null;
+        };
+    }
+
     private String buildRiverDetailSelectSql(List<String> selectFields) {
         Map<String, String> selectMap = new LinkedHashMap<>();
         selectMap.put("q", "t.Q AS q");
@@ -626,6 +906,47 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return String.join(", ", actualColumns);
     }
 
+    private String buildRiverDayDetailSelectSql(List<String> selectFields) {
+        Map<String, String> selectMap = new LinkedHashMap<>();
+        selectMap.put("id", "t.ID AS id");
+        selectMap.put("stcd", "t.STCD AS stcd");
+        selectMap.put("rstcd", "t.RSTCD AS rstcd");
+        selectMap.put("ennm", "t.ENNM AS ennm");
+        selectMap.put("stnm", "t.STNM AS stnm");
+        selectMap.put("baseId", "t.BASEID AS baseId");
+        selectMap.put("baseName", "t.BASENAME AS baseName");
+        selectMap.put("dt", "t.DT AS dt");
+//        selectMap.put("DT", "t.DT AS dt");
+        selectMap.put("z", "t.Z AS z");
+        selectMap.put("q", "t.Q AS q");
+        selectMap.put("v", "t.V AS v");
+        selectMap.put("msqmt", "t.MSQMT AS msqmt");
+        selectMap.put("stlc", "t.STLC AS stlc");
+        selectMap.put("recordUser", "t.RECORDUSER AS recordUser");
+        selectMap.put("recordTime", "t.RECORDTIME AS recordTime");
+        selectMap.put("modifyUser", "t.MODIFYUSER AS modifyUser");
+        selectMap.put("modifyTime", "t.MODIFYTIME AS modifyTime");
+        selectMap.put("baseStepSort", "t.BASESTEPSORT AS baseStepSort");
+        selectMap.put("rvcdStepSort", "t.RVCDSTEPSORT AS rvcdStepSort");
+        selectMap.put("rstcdStepSort", "t.RSTCDSTEPSORT AS rstcdStepSort");
+        selectMap.put("siteStepSort", "t.SITESTEPSORT AS siteStepSort");
+
+        if (CollUtil.isEmpty(selectFields)) {
+            return String.join(", ", selectMap.values());
+        }
+        List<String> actualColumns = new ArrayList<>();
+        for (String selectField : selectFields) {
+            String column = selectMap.get(selectField);
+            if (StrUtil.isNotBlank(column)) {
+                actualColumns.add(column);
+            }
+        }
+        if (actualColumns.isEmpty()) {
+            actualColumns.addAll(selectMap.values());
+        }
+        return String.join(", ", actualColumns);
+    }
+
     private String buildRiverOrderBySql(List<DataSourceRequest.SortDescriptor> sortList) {
         if (CollUtil.isEmpty(sortList)) {
             return " ORDER BY t.BASESTEPSORT ASC, t.RVCDSTEPSORT ASC, t.RSTCDSTEPSORT ASC, t.SITESTEPSORT ASC, t.STCD ASC, t.TM DESC";
@@ -648,6 +969,28 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return " ORDER BY " + String.join(", ", orderColumns);
     }
 
+    private String buildRiverDayOrderBySql(List<DataSourceRequest.SortDescriptor> sortList) {
+        if (CollUtil.isEmpty(sortList)) {
+            return " ORDER BY t.DT ASC, t.STCD ASC";
+        }
+        List<String> orderColumns = new ArrayList<>();
+        for (DataSourceRequest.SortDescriptor sortDescriptor : sortList) {
+            if (sortDescriptor == null || StrUtil.isBlank(sortDescriptor.getField())) {
+                continue;
+            }
+            String column = mapRiverDayColumn(sortDescriptor.getField());
+            if (StrUtil.isBlank(column)) {
+                continue;
+            }
+            String dir = "desc".equalsIgnoreCase(sortDescriptor.getDir()) || "des".equalsIgnoreCase(sortDescriptor.getDir()) ? "DESC" : "ASC";
+            orderColumns.add(column + " " + dir + " NULLS LAST");
+        }
+        if (orderColumns.isEmpty()) {
+            return " ORDER BY t.DT ASC, t.STCD ASC";
+        }
+        return " ORDER BY " + String.join(", ", orderColumns);
+    }
+
     private String buildRiverGroupOrderBySql(List<DataSourceRequest.GroupDescriptor> groups) {
         if (CollUtil.isEmpty(groups)) {
             return "";
@@ -667,6 +1010,25 @@ public class ZqMonitorServiceImpl implements ZqMonitorService {
         return orders.isEmpty() ? "" : " ORDER BY " + String.join(", ", orders);
     }
 
+    private String buildRiverDayGroupOrderBySql(List<DataSourceRequest.GroupDescriptor> groups) {
+        if (CollUtil.isEmpty(groups)) {
+            return "";
+        }
+        List<String> orders = new ArrayList<>();
+        for (DataSourceRequest.GroupDescriptor descriptor : groups) {
+            if (descriptor == null || StrUtil.isBlank(descriptor.getField())) {
+                continue;
+            }
+            String column = mapRiverDayColumn(descriptor.getField());
+            if (StrUtil.isBlank(column)) {
+                continue;
+            }
+            String dir = "desc".equalsIgnoreCase(descriptor.getDir()) || "des".equalsIgnoreCase(descriptor.getDir()) ? "DESC" : "ASC";
+            orders.add(column + " " + dir);
+        }
+        return orders.isEmpty() ? "" : " ORDER BY " + String.join(", ", orders);
+    }
+
     private String buildRiverAggregateSql(String aggregate, String column, String field) {
         String normalized = aggregate == null ? "" : aggregate.toLowerCase();
         return switch (normalized) {