diff --git a/src-tauri/src/proxy/providers/streaming_gemini.rs b/src-tauri/src/proxy/providers/streaming_gemini.rs
index 76435a8ff..2a22bc237 100644
--- a/src-tauri/src/proxy/providers/streaming_gemini.rs
+++ b/src-tauri/src/proxy/providers/streaming_gemini.rs
@@ -665,4 +665,70 @@ mod tests {
 
         assert!(output.contains("\"partial_json\":\"{\\\"command\\\":\\\"git status\\\"}\""));
     }
+
+    #[test]
+    fn rectifies_streamed_skill_args_from_nested_parameters() {
+        let payload = json!({
+            "responseId": "resp_6",
+            "modelVersion": "gemini-2.5-pro",
+            "candidates": [{
+                "finishReason": "STOP",
+                "content": {
+                    "parts": [{
+                        "functionCall": {
+                            "id": "call_1",
+                            "name": "Skill",
+                            "args": {
+                                "name": "git-commit",
+                                "parameters": {
+                                    "args": ["详细分析内容 编写提交信息 分多次提交代码"]
+                                }
+                            }
+                        }
+                    }]
+                }
+            }],
+            "usageMetadata": {
+                "promptTokenCount": 5,
+                "totalTokenCount": 8
+            }
+        });
+        let owned_chunks = vec![format!(
+            "data: {}\n\n",
+            serde_json::to_string(&payload).unwrap()
+        )];
+        let stream = futures::stream::iter(
+            owned_chunks
+                .into_iter()
+                .map(|chunk| Ok::<Bytes, std::io::Error>(Bytes::from(chunk))),
+        );
+        let hints = super::super::transform_gemini::extract_anthropic_tool_schema_hints(&json!({
+            "tools": [{
+                "name": "Skill",
+                "input_schema": {
+                    "type": "object",
+                    "properties": {
+                        "skill": { "type": "string" },
+                        "args": { "type": "string" }
+                    },
+                    "required": ["skill"]
+                }
+            }]
+        }));
+        let converted =
+            create_anthropic_sse_stream_from_gemini(stream, None, None, None, Some(hints));
+        let output = futures::executor::block_on(async move {
+            converted
+                .collect::<Vec<_>>()
+                .await
+                .into_iter()
+                .map(|item| String::from_utf8(item.unwrap().to_vec()).unwrap())
+                .collect::<Vec<_>>()
+                .join("")
+        });
+
+        assert!(output.contains("git-commit"));
+        assert!(output.contains("详细分析内容 编写提交信息 分多次提交代码"));
+        assert!(!output.contains("\\\"parameters\\\""));
+    }
 }
diff --git a/src-tauri/src/proxy/providers/transform_gemini.rs b/src-tauri/src/proxy/providers/transform_gemini.rs
index 96becd2ae..2956a44d9 100644
--- a/src-tauri/src/proxy/providers/transform_gemini.rs
+++ b/src-tauri/src/proxy/providers/transform_gemini.rs
@@ -576,6 +576,41 @@ pub fn rectify_tool_call_args(
     if args_object.is_empty() || hint.expected_keys.is_empty() {
         return false;
     }
+    let mut changed = false;
+
+    if hint.expected_keys.iter().any(|key| key == "skill") && !args_object.contains_key("skill") {
+        if let Some(value) = args_object.remove("name") {
+            args_object.insert("skill".to_string(), value);
+            changed = true;
+        }
+    }
+
+    if let Some(parameters_value) = args_object.remove("parameters") {
+        if let Some(parameters_object) = parameters_value.as_object() {
+            for expected_key in &hint.expected_keys {
+                if args_object.contains_key(expected_key) {
+                    continue;
+                }
+                let Some(value) = parameters_object.get(expected_key) else {
+                    continue;
+                };
+                let normalized_value = match value {
+                    Value::Array(values) if values.len() == 1 => values[0].clone(),
+                    _ => value.clone(),
+                };
+                args_object.insert(expected_key.clone(), normalized_value);
+                changed = true;
+            }
+        }
+    }
+
+    if hint
+        .required_keys
+        .iter()
+        .all(|key| args_object.contains_key(key.as_str()))
+    {
+        return changed;
+    }
 
     let expected_key_set = hint
         .expected_keys
@@ -1031,7 +1066,12 @@ mod tests {
                         "functionCall": {
                             "id": "call_1",
                             "name": "Skill",
-                            "args": { "name": "git-commit" }
+                            "args": {
+                                "name": "git-commit",
+                                "parameters": {
+                                    "args": ["详细分析内容 编写提交信息 分多次提交代码"]
+                                }
+                            }
                         }
                     }]
                 }
@@ -1056,7 +1096,12 @@ mod tests {
                 .unwrap();
 
         assert_eq!(result["content"][0]["input"]["skill"], "git-commit");
+        assert_eq!(
+            result["content"][0]["input"]["args"],
+            "详细分析内容 编写提交信息 分多次提交代码"
+        );
         assert!(result["content"][0]["input"].get("name").is_none());
+        assert!(result["content"][0]["input"].get("parameters").is_none());
     }
 
     #[test]