diff --git a/server-rs/crates/platform-tripo/src/common/types.rs b/server-rs/crates/platform-tripo/src/common/types.rs
index 5178ac2ec..455779e29 100644
--- a/server-rs/crates/platform-tripo/src/common/types.rs
+++ b/server-rs/crates/platform-tripo/src/common/types.rs
@@ -58,11 +58,15 @@ impl TripoUrl {
         self.0.as_str()
     }
 
-    /// 日志与调试用脱敏形式：隐藏可能携带签名参数的 query 与 fragment。
+    /// 日志与调试用脱敏形式：隐藏可能携带签名参数的 query 与 fragment，
+    /// 并保留原分隔符，不把 fragment 显示成 query。
     pub fn redacted(&self) -> String {
         let full = self.0.as_str();
         match full.find(['?', '#']) {
-            Some(index) => format!("{}?<redacted>", &full[..index]),
+            Some(index) => {
+                let delimiter = &full[index..index + 1];
+                format!("{}{delimiter}<redacted>", &full[..index])
+            }
             None => full.to_owned(),
         }
     }