diff --git a/server-rs/crates/platform-tripo/src/multiview_to_model/client.rs b/server-rs/crates/platform-tripo/src/multiview_to_model/client.rs
index 3d526f244..a8dba2c9f 100644
--- a/server-rs/crates/platform-tripo/src/multiview_to_model/client.rs
+++ b/server-rs/crates/platform-tripo/src/multiview_to_model/client.rs
@@ -30,11 +30,7 @@ impl TripoProviderClient {
                 }
                 if [left, back, right]
                     .into_iter()
-                    .filter(|value| {
-                        value
-                            .as_deref()
-                            .is_some_and(|value| !value.trim().is_empty())
-                    })
+                    .filter(|value| view_input(*value).is_some())
                     .count()
                     == 0
                 {
@@ -69,12 +65,13 @@ impl TripoProviderClient {
         Ok(TripoTaskHandle { task_id })
     }
 }
-/// 与提交前校验保持一致：空白视图按未提供处理。
-fn optional_view(value: &Option<String>) -> Option<FileInput> {
+/// 空白（含纯空白）视图按「未提供」处理：提交前校验与 SDK 参数转换共用这一条规则。
+fn view_input(value: &Option<String>) -> Option<FileInput> {
     value
         .as_deref()
-        .filter(|value| !value.trim().is_empty())
-        .map(|value| FileInput::from(value.trim()))
+        .map(str::trim)
+        .filter(|value| !value.is_empty())
+        .map(FileInput::from)
 }
 
 fn to_sdk_params(
@@ -88,9 +85,9 @@ fn to_sdk_params(
             right,
         } => MultiviewToModelParams::from_views([
             Some(FileInput::from(front.trim())),
-            optional_view(left),
-            optional_view(back),
-            optional_view(right),
+            view_input(left),
+            view_input(back),
+            view_input(right),
         ]),
         Model3dMultiviewInputs::TaskId { task_id } => {
             MultiviewToModelParams::from_task_id(task_id.trim().to_owned())