diff --git a/wwwroot/api/cockpit_chat.dspy b/wwwroot/api/cockpit_chat.dspy
index 6932fbe..9a0cc69 100644
--- a/wwwroot/api/cockpit_chat.dspy
+++ b/wwwroot/api/cockpit_chat.dspy
@@ -73,25 +73,10 @@ def _guess_role(title):
     return 'develop'
 
 async def _find_project(sor, name):
-    """Match project by name. Exact first, then substring. Returns (record, match_type)."""
+    """Exact match only — LLM has full project list in env and should pick exact name."""
     if not name: return None
-    # Exact match
     recs = await sor.sqlExe("SELECT id,name FROM sd_projects WHERE name=${n}$",{"n":name})
-    if recs: return recs[0]
-    # Substring match — find projects containing the keyword
-    kw = name.strip()
-    if len(kw) < 2: return None
-    allp = await sor.sqlExe("SELECT id,name FROM sd_projects ORDER BY created_at DESC",{})
-    matches = []
-    for r in (allp or []):
-        rn = (getattr(r,'name','') or '')
-        if kw in rn:
-            matches.append(r)
-    if len(matches) == 1:
-        return matches[0]
-    if len(matches) > 1:
-        return None  # Ambiguous — caller should report options
-    return None
+    return recs[0] if recs else None
 
 async def _load_ctx(sor, uid):
     recs = await sor.sqlExe("SELECT current_project_id FROM pipeline_agent_settings WHERE user_id=${u}$",{"u":uid})
@@ -221,14 +206,8 @@ async def _exec_tool(sor, tool, params, ctx, uid, org_id):
                 return '可用项目:\n'+'\n'.join(lines)
             proj = await _find_project(sor, name)
             if not proj:
-                # Check if ambiguous (multiple substring matches)
-                kw = name.strip()
-                allp2 = await sor.sqlExe("SELECT name FROM sd_projects ORDER BY created_at DESC",{})
-                matches = [getattr(r,'name','') for r in (allp2 or []) if kw in (getattr(r,'name','') or '')]
-                if len(matches) > 1:
-                    return 'FAIL: 多个匹配:\n'+'\n'.join(matches)
-                allp3 = await sor.sqlExe("SELECT name FROM sd_projects ORDER BY created_at DESC LIMIT 15",{})
-                return 'FAIL: 未找到。可用: '+', '.join([getattr(r,'name','') for r in (allp3 or [])])
+                allp = await sor.sqlExe("SELECT name FROM sd_projects ORDER BY created_at DESC LIMIT 15",{})
+                return 'FAIL: 未找到。可用: '+', '.join([getattr(r,'name','') for r in (allp or [])])
             if proj.id == ctx['pid']:
                 return f'已在「{proj.name}」项目中，无需切换'
             await _save_ctx(sor, uid, proj.id)
@@ -466,7 +445,10 @@ if action == 'send_message':
                 return
 
             repos_str = ', '.join([r['n'] for r in ctx['repos']]) or '无'
-            env_text = f"【当前项目: {ctx['pname'] or '未选择'}】— 所有操作在当前项目内完成\n工作空间: {ctx['ws'] or '未设置'} | 仓库: {repos_str}"
+            # Load all project names so LLM can match user's input
+            all_projects = await sor.sqlExe("SELECT name FROM sd_projects ORDER BY created_at DESC LIMIT 20",{})
+            proj_list = ', '.join([getattr(p,'name','') for p in (all_projects or [])])
+            env_text = f"【当前项目: {ctx['pname'] or '未选择'}】\n所有项目: {proj_list}\n工作空间: {ctx['ws'] or '未设置'} | 仓库: {repos_str}"
             system = AGENT_PROMPT.replace('__TOOLS__',TOOLS_TEXT).replace('__ENV__',env_text)
             msgs = [{"role":"system","content":system}]
             for h in (await sor.sqlExe("SELECT role,content FROM pipeline_conversations WHERE created_by=${u}$ ORDER BY created_at ASC LIMIT 20",{"u":uid}) or []):