diff --git a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClient.java b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClient.java
index 6550fe0c9..0651193a3 100644
--- a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClient.java
+++ b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClient.java
@@ -10,6 +10,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
@@ -44,6 +45,7 @@ public class ProducingPlanOrderClient {
 
     public Long create(String token, Long workflowSchemeId, List<String> blockIds,
                        List<ProducingPlanOrderMaterialGroup> customMaterialGroupList) {
+        normalizeBoardDimensions(customMaterialGroupList);
         CreateRequest request = new CreateRequest(
                 blockIds, workflowSchemeId, customMaterialGroupList);
         if (httpLogProperties.isHttpLogEnabled()) {
@@ -170,6 +172,31 @@ public class ProducingPlanOrderClient {
         return properties.getBaseUrl() + "/" + planOrderId + "/" + action;
     }
 
+    /**
+     * 组件接口以 {@code null} 表示未设置板材尺寸，不能传入 0。
+     * 仅处理本次请求使用的 DTO，不影响本地板材数据。
+     */
+    private void normalizeBoardDimensions(
+            List<ProducingPlanOrderMaterialGroup> customMaterialGroupList) {
+        if (customMaterialGroupList == null) {
+            return;
+        }
+        customMaterialGroupList.stream()
+                .filter(java.util.Objects::nonNull)
+                .forEach(materialGroup -> {
+                    if (isZero(materialGroup.getWidth())) {
+                        materialGroup.setWidth(null);
+                    }
+                    if (isZero(materialGroup.getLength())) {
+                        materialGroup.setLength(null);
+                    }
+                });
+    }
+
+    private boolean isZero(BigDecimal value) {
+        return value != null && value.compareTo(BigDecimal.ZERO) == 0;
+    }
+
     private String workflowSchemeListUrl(Integer page, Integer type, Long parentId,
                                          Integer pageSize, Boolean isPaging) {
         StringBuilder url = new StringBuilder(workflowSchemeBaseUrl())
diff --git a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderMaterialGroup.java b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderMaterialGroup.java
index d8a12f299..19a80afac 100644
--- a/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderMaterialGroup.java
+++ b/cf-module-prod-executor/cf-module-prod-executor-biz/src/main/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderMaterialGroup.java
@@ -29,9 +29,11 @@ public class ProducingPlanOrderMaterialGroup {
     private Integer type;
 
     /** 板材宽度。 */
+    @JsonInclude(JsonInclude.Include.ALWAYS)
     private BigDecimal width;
 
     /** 板材长度。 */
+    @JsonInclude(JsonInclude.Include.ALWAYS)
     private BigDecimal length;
 
     /** 板材厚度。 */
diff --git a/cf-module-prod-executor/cf-module-prod-executor-biz/src/test/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClientTest.java b/cf-module-prod-executor/cf-module-prod-executor-biz/src/test/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClientTest.java
index 1cd420a59..7d003b098 100644
--- a/cf-module-prod-executor/cf-module-prod-executor-biz/src/test/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClientTest.java
+++ b/cf-module-prod-executor/cf-module-prod-executor-biz/src/test/java/com/cf/imes/module/executor/service/plan/producing/ProducingPlanOrderClientTest.java
@@ -49,6 +49,8 @@ class ProducingPlanOrderClientTest {
                         .id("goods-1")
                         .name("颗粒板-白色-18")
                         .type(4)
+                        .width(java.math.BigDecimal.ZERO)
+                        .length(java.math.BigDecimal.ZERO)
                         .thickness(new java.math.BigDecimal("18"))
                         .hasWave(true)
                         .materialIds(List.of("source-material-2366", "source-material-2367"))
@@ -84,6 +86,8 @@ class ProducingPlanOrderClientTest {
         assertThat(materialBody.get("id").textValue()).isEqualTo("goods-1");
         assertThat(materialBody.get("name").textValue()).isEqualTo("颗粒板-白色-18");
         assertThat(materialBody.get("type").intValue()).isEqualTo(4);
+        assertThat(materialBody.get("width").isNull()).isTrue();
+        assertThat(materialBody.get("length").isNull()).isTrue();
         assertThat(materialBody.get("materialIds").isArray()).isTrue();
         assertThat(materialBody.get("materialIds").toString())
                 .isEqualTo("[\"source-material-2366\",\"source-material-2367\"]");