diff --git a/api/migrations/versions/6a4641cf192b_202603051440.py b/api/migrations/versions/6a4641cf192b_202603051440.py
new file mode 100644
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+++ b/api/migrations/versions/6a4641cf192b_202603051440.py
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+"""202603051440
+
+Revision ID: 6a4641cf192b
+Revises: b4af97639217
+Create Date: 2026-03-05 14:41:03.371557
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = '6a4641cf192b'
+down_revision: Union[str, None] = 'b4af97639217'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('implicit_emotions_storage',
+    sa.Column('id', sa.UUID(), nullable=False, comment='主键ID'),
+    sa.Column('end_user_id', sa.String(length=255), nullable=False, comment='终端用户ID'),
+    sa.Column('implicit_profile', postgresql.JSONB(astext_type=sa.Text()), nullable=True, comment='隐性记忆用户画像数据'),
+    sa.Column('emotion_suggestions', postgresql.JSONB(astext_type=sa.Text()), nullable=True, comment='情绪个性化建议数据'),
+    sa.Column('created_at', sa.DateTime(), nullable=False, comment='创建时间'),
+    sa.Column('updated_at', sa.DateTime(), nullable=False, comment='更新时间'),
+    sa.Column('implicit_generated_at', sa.DateTime(), nullable=True, comment='隐性记忆画像生成时间'),
+    sa.Column('emotion_generated_at', sa.DateTime(), nullable=True, comment='情绪建议生成时间'),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('end_user_id')
+    )
+    op.create_index('idx_updated_at', 'implicit_emotions_storage', ['updated_at'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index('idx_updated_at', table_name='implicit_emotions_storage')
+    op.drop_table('implicit_emotions_storage')
+    # ### end Alembic commands ###