diff --git a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedAutoMapper.xml b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedAutoMapper.xml
index 671cf586..c9c2755a 100644
--- a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedAutoMapper.xml
+++ b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedAutoMapper.xml
@@ -37,6 +37,6 @@
                 #{item}
             </foreach>
         </if>
-        AND TO_NUMBER(n.CONCENTRATION) &gt; TO_NUMBER(n.MDC)
+        AND n.CONCENTRATION &gt; n.MDC
     </select>
 </mapper>
\ No newline at end of file
diff --git a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedManMapper.xml b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedManMapper.xml
index 5f408b1f..9686b238 100644
--- a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedManMapper.xml
+++ b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/mapper/xml/GardsNuclIdedManMapper.xml
@@ -37,6 +37,6 @@
                 #{item}
             </foreach>
         </if>
-        AND TO_NUMBER(n.CONCENTRATION) &gt; TO_NUMBER(n.MDC)
+        AND n.CONCENTRATION &gt; n.MDC
     </select>
 </mapper>
\ No newline at end of file
diff --git a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/service/impl/CalculateConcServiceImpl.java b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/service/impl/CalculateConcServiceImpl.java
index ef0ab2af..9ebded1a 100644
--- a/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/service/impl/CalculateConcServiceImpl.java
+++ b/jeecg-module-abnormal-alarm/src/main/java/org/jeecg/modules/service/impl/CalculateConcServiceImpl.java
@@ -148,6 +148,7 @@ public class CalculateConcServiceImpl implements CalculateConcService {
                 autoResult.putAll(calculate(nuclConcAuto, index));
                 for (String nuclide : nuclides) {
                     String val = autoResult.get(nuclide);
+                    if(StrUtil.isBlank(val)) continue;
                     AlarmAnalysisNuclideAvg analysisNuclideAvg = new AlarmAnalysisNuclideAvg(station, nuclide, val);
                     analysisNuclideAvg.setDataSourceType(CommonConstant.ARMDARR);
                     autoAvgs.add(analysisNuclideAvg);
@@ -158,6 +159,7 @@ public class CalculateConcServiceImpl implements CalculateConcService {
                 manResult.putAll(calculate(nuclConcMan, index));
                 for (String nuclide : nuclides) {
                     String val = manResult.get(nuclide);
+                    if(StrUtil.isBlank(val)) continue;
                     AlarmAnalysisNuclideAvg analysisNuclideAvg = new AlarmAnalysisNuclideAvg(station, nuclide, val);
                     analysisNuclideAvg.setDataSourceType(CommonConstant.ARMDRRR);
                     manAvgs.add(analysisNuclideAvg);