diff --git a/hsweb-commons/hsweb-commons-crud/pom.xml b/hsweb-commons/hsweb-commons-crud/pom.xml
index 8b53d6d44..3efcbec25 100644
--- a/hsweb-commons/hsweb-commons-crud/pom.xml
+++ b/hsweb-commons/hsweb-commons-crud/pom.xml
@@ -111,6 +111,12 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>r2dbc-postgresql</artifactId>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
@@ -166,4 +172,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/query/QueryAnalyzerImpl.java b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/query/QueryAnalyzerImpl.java
index 9d2ad6dd4..4c85cb18f 100644
--- a/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/query/QueryAnalyzerImpl.java
+++ b/hsweb-commons/hsweb-commons-crud/src/main/java/org/hswebframework/web/crud/query/QueryAnalyzerImpl.java
@@ -78,7 +78,16 @@ public Select select() {
 
     @Override
     public Optional<Column> findColumn(String name) {
-        return Optional.ofNullable(getColumnMappings().get(name));
+        if (name == null) {
+            return Optional.empty();
+        }
+        Map<String, Column> mappings = getColumnMappings();
+        Column column = mappings.get(name);
+        if (column == null) {
+            // 精确别名优先，仅在未命中时兼容实体属性名到数据库列名的转换。
+            column = mappings.get(QueryHelperUtils.toSnake(name));
+        }
+        return Optional.ofNullable(column);
     }
 
     @Override
@@ -177,7 +186,7 @@ private Column getColumnOrSelectColumn(String name) {
             return column;
         }
 
-        return getColumnMappings().get(name);
+        return findColumn(name).orElse(null);
     }
 
     @SneakyThrows
@@ -652,7 +661,7 @@ public SqlFragments createTermFragments(QueryAnalyzerImpl impl, Term term) {
             Table table = impl.select.table;
             String column = term.getColumn();
 
-            Column col = impl.getColumnMappings().get(column);
+            Column col = impl.findColumn(column).orElse(null);
 //
 //            if (col == null) {
 //                if (column.contains(".")) {
@@ -697,9 +706,12 @@ public SqlFragments createTermFragments(QueryAnalyzerImpl impl, Term term) {
 
             String colName = col.metadata != null ? col.metadata.getRealName() : col.name;
 
-            String fullName = col.metadata != null
-                ? col.getMetadata().getFullName(table.alias)
-                : table.alias + "." + dialect.quote(colName, false);
+            // CTE和子查询会复用真实表列元数据，其内部可能已缓存原表全名，
+            // 条件列必须以当前查询分析出的表别名为准。
+            String fullName = dialect.buildColumnFullName(
+                table.alias,
+                colName,
+                col.metadata != null && !col.metadata.realNameDetected());
 
             return metadata
                 .findFeature(createFeatureId(term.getTermType()))
diff --git a/hsweb-commons/hsweb-commons-crud/src/test/java/org/hswebframework/web/crud/query/QueryAnalyzerImplTest.java b/hsweb-commons/hsweb-commons-crud/src/test/java/org/hswebframework/web/crud/query/QueryAnalyzerImplTest.java
index 8a9f30999..590598620 100644
--- a/hsweb-commons/hsweb-commons-crud/src/test/java/org/hswebframework/web/crud/query/QueryAnalyzerImplTest.java
+++ b/hsweb-commons/hsweb-commons-crud/src/test/java/org/hswebframework/web/crud/query/QueryAnalyzerImplTest.java
@@ -1,12 +1,14 @@
 package org.hswebframework.web.crud.query;
 
+import org.hswebframework.ezorm.core.param.Sort;
+import org.hswebframework.ezorm.core.param.Term;
 import org.hswebframework.ezorm.rdb.executor.SqlRequest;
 import org.hswebframework.ezorm.rdb.executor.wrapper.ResultWrappers;
 import org.hswebframework.ezorm.rdb.operator.DatabaseOperator;
-import org.hswebframework.ezorm.core.param.Sort;
 import org.hswebframework.web.api.crud.entity.QueryParamEntity;
 import org.hswebframework.web.crud.TestApplication;
 import org.junit.Assert;
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -15,6 +17,7 @@
 import reactor.test.StepVerifier;
 
 import java.util.ArrayList;
+import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -24,6 +27,17 @@ public class QueryAnalyzerImplTest {
     @Autowired
     private DatabaseOperator database;
 
+    @Before
+    public void clearTestData() {
+        database
+            .sql()
+            .reactive()
+            .update("delete from s_test")
+            .then()
+            .as(StepVerifier::create)
+            .verifyComplete();
+    }
+
     /**
      * 执行SQL并验证是否有错误
      */
@@ -762,6 +776,15 @@ public void testNestedUnion() {
 
     @Test
     public void testMultipleCTE() {
+        database
+            .getMetadata()
+            .getCurrentSchema()
+            .getTableOrView("s_test", false)
+            .orElseThrow()
+            .getColumn("name")
+            .orElseThrow()
+            .getFullName();
+
         QueryAnalyzerImpl analyzer = new QueryAnalyzerImpl(
             database,
             "WITH " +
@@ -779,6 +802,7 @@ public void testMultipleCTE() {
         assertNotNull(request.getSql(), "SQL should be generated");
         assertNotNull(request.getParameters(), "Parameters should be set");
         assertTrue(request.getSql().contains("), cte2 AS"), "multiple CTEs should be separated by comma");
+        assertTrue(request.getSql().contains("cte1.\"NAME\""), "filter column should use current CTE alias");
         executeAndVerify(request);
     }
 
@@ -1128,4 +1152,69 @@ public void testCustomSortFunctionFallbackToColumn() {
 
         executeAndVerify(request);
     }
+
+    @Test
+    public void testCamelCaseFilterColumnFallback() {
+        QueryAnalyzerImpl analyzer = new QueryAnalyzerImpl(
+            database,
+            "select * from (select t.name as alarm_time from s_test t) a");
+
+        SqlRequest request = analyzer.refactor(
+            QueryParamEntity
+                .newQuery()
+                .and("alarmTime", "eq", "test")
+                .getParam());
+
+        assertTrue(analyzer.findColumn("alarmTime").isPresent());
+        assertTrue(request.getSql().contains("alarm_time"));
+        assertArrayEquals(new Object[]{"test"}, request.getParameters());
+        executeAndVerify(request);
+    }
+
+    @Test
+    public void testQualifiedCamelCaseNestedFilterColumnFallback() {
+        QueryAnalyzerImpl analyzer = new QueryAnalyzerImpl(
+            database,
+            "select * from (select t.name as alarm_time from s_test t) a");
+        Term nested = new Term()
+            .nest()
+            .and("a.alarmTime", "eq", "test")
+            .clone();
+        QueryParamEntity param = QueryParamEntity.of();
+        param.setTerms(List.of(nested));
+
+        SqlRequest request = analyzer.refactor(param);
+
+        assertTrue(request.getSql().contains("alarm_time"));
+        assertArrayEquals(new Object[]{"test"}, request.getParameters());
+        executeAndVerify(request);
+    }
+
+    @Test
+    public void testExactFilterAliasTakesPriorityOverSnakeCaseFallback() {
+        QueryAnalyzerImpl analyzer = new QueryAnalyzerImpl(
+            database,
+            "select * from (select t.name as alarm_time, t.age as alarmTime from s_test t) a");
+
+        QueryAnalyzer.Column column = analyzer.findColumn("alarmTime").orElseThrow();
+
+        assertEquals("alarmTime", column.getAlias());
+    }
+
+    @Test
+    public void testUnknownCamelCaseFilterColumnIsRejected() {
+        QueryAnalyzerImpl analyzer = new QueryAnalyzerImpl(
+            database,
+            "select * from (select t.name as alarm_time from s_test t) a");
+        QueryParamEntity param = QueryParamEntity
+            .newQuery()
+            .and("unknownAlarmTime", "eq", "test")
+            .getParam();
+
+        IllegalArgumentException error = assertThrows(
+            IllegalArgumentException.class,
+            () -> analyzer.refactor(param));
+
+        assertEquals("undefined column [unknownAlarmTime]", error.getMessage());
+    }
 }